{"id":14722,"date":"2024-02-16T10:01:50","date_gmt":"2024-02-16T04:31:50","guid":{"rendered":"https:\/\/wordpress-505192-1602719.cloudwaysapps.com\/?p=14722"},"modified":"2024-02-17T17:12:32","modified_gmt":"2024-02-17T11:42:32","slug":"samacheer-kalvi-11th-computer-applications-solutions-chapter-9","status":"publish","type":"post","link":"https:\/\/samacheerkalviguru.com\/samacheer-kalvi-11th-computer-applications-solutions-chapter-9\/","title":{"rendered":"Samacheer Kalvi 11th Computer Applications Solutions Chapter 9 Introduction to Internet and Email"},"content":{"rendered":"

Students can Download Computer Applications Chapter 9 Introduction to Internet and Email Questions and Answers, Notes Pdf, Samacheer Kalvi 11th Computer Applications Book Solutions<\/a> Guide Pdf helps you to revise the complete Tamilnadu State Board New Syllabus and score more marks in your examinations.<\/p>\n

Tamilnadu Samacheer Kalvi 11th Computer Applications Solutions Chapter 9 Introduction to Internet and Email<\/h2>\n

Samacheer Kalvi 11th Computer Applications Introduction to Internet and Email Text Book Back Questions and Answers<\/h3>\n

I. Choose The Correct Answer<\/span><\/p>\n

Question 1.
\nWhat is the expansion of WLAN?
\n(a) Wireless Local Area Network
\n(b) Wired Local Area Network
\n(c) Wireless Local Area Netware
\n(d) Wireless Area Netbande
\nAnswer:
\n(a) Wireless Local Area Network<\/p>\n

\"SamacheerKalvi.Guru\"<\/p>\n

Question 2.
\nRange of Campus Network is:
\n(a) 10 KM
\n(b) 5 KM
\n(c) 25 KM
\n(d) 20 KM
\nAnswer:
\n(b) 5 KM<\/p>\n

Question 3.
\nEach computer on net is called:
\n(a) host
\n(b) server
\n(c) workstation
\n(d) node
\nAnswer:
\n(a) host<\/p>\n

\"SamacheerKalvi.Guru\"<\/p>\n

Question 4.
\nThe Internet is governed by:
\n(a) ICANM
\n(b) ICANN
\n(c) ICMA
\n(d) ICNNA
\nAnswer:
\n(b) ICANN<\/p>\n

Question 5.
\nExpansion of W3C:
\n(a) World Wide Web Consortium
\n(b) Wide World Web Consortium
\n(c) World Web Wide Consortium
\n(d) World Wide Web Consortium
\nAnswer:
\n(a) World Wide Web Consortium<\/p>\n

\"SamacheerKalvi.Guru\"<\/p>\n

Question 6.
\nW3C was established in 1994 by:
\n(a) Tim Berners-Lee
\n(b) Tim Bumard-Lee
\n(c) Kim Berners
\n(d) Kim Bernard-Lee
\nAnswer:
\n(a) Tim Berners-Lee<\/p>\n

Question 7.
\nHotspot uses which type of network services?
\n(a) LAN
\n(b) PAN
\n(c) WLAN
\n(d) CAN
\nAnswer:
\n(c) WLAN<\/p>\n

\"SamacheerKalvi.Guru\"<\/p>\n

Question 8.
\nUSB WiFi adapters are often called as:
\n(a) data card
\n(b) pen drive
\n(c) dongles
\n(d) memory card
\nAnswer:
\n(c) dongles<\/p>\n

Question 9.
\nLooking for information on the Internet is called:
\n(a) surfing
\n(b) searching
\n(c) finding
\n(d) glancing
\nAnswer:
\n(a) surfing<\/p>\n

\"SamacheerKalvi.Guru\"<\/p>\n

Question 10.
\nSafari web browser was developed by:
\n(a) Google
\n(b) Apple
\n(c) Microsoft
\n(d) Linux Corpn
\nAnswer:
\n(b) Apple<\/p>\n

Question 11.
\nHow many types of websites are available?
\n(a) 3
\n(b) 2
\n(c) 4
\n(d) 6
\nAnswer:
\n(b) 2<\/p>\n

II. Answer To The Following Questions<\/span><\/p>\n

Question 1.
\nList any four types of available networks. Depending upon geographical area covered by a network, it is classified as:
\nAnswer:<\/p>\n

    \n
  1. Local Area Network (LAN)<\/li>\n
  2. Metropolitan Area Network (MAN)<\/li>\n
  3. Wide Area Network (WAN)<\/li>\n
  4. Personal Area Network (PAN)<\/li>\n
  5. Campus Area Network (CAN)<\/li>\n
  6. Wireless Local Area Network (W-LAN)<\/li>\n<\/ol>\n

    \"SamacheerKalvi.Guru\"<\/p>\n

    Question 2.
    \nName the two important protocols for Internet?
    \nAnswer:
    \nThe Internet is a globally connected network system that uses TCP\/IP (Transmission Control Protocol\/Intemet Protocol) to transmit data via various types of media.<\/p>\n

    Question 3.
    \nWhat is a network?
    \nAnswer:
    \nA network is a collection of interconnected devices. (Eg: Computers, printers, etc…).<\/p>\n

    \"SamacheerKalvi.Guru\"<\/p>\n

    Question 4.
    \nWhat is the role of ICANN ?
    \nAnswer:
    \nInternet Corporation for Assigned Names and Numbers (ICANN) administers the domain name registration. It helps to avoid a name which is already registered.<\/p>\n

    Question 5.
    \nWhat is a search engine?
    \nAnswer:
    \nA search engine is a software system that is designed to search for information on the World Wide Web.
    \nEg: Yahoo, Lycos, Altavista, Hotbot, Google and Askjeeves.<\/p>\n

    \"SamacheerKalvi.Guru\"<\/p>\n

    Question 6.
    \nWhat is a browser?
    \nAnswer:
    \nA web browser is a software application for accessing information on the World-Wide Web. Eg: Internet Explorer, Chrome, Firefox, etc…<\/p>\n

    Question 7.
    \nWhat are the components of url addressing?
    \nAnswer:<\/p>\n

      \n
    1. Protocol<\/li>\n
    2. Sub-domain<\/li>\n
    3. Domain<\/li>\n
    4. Top level domain.<\/li>\n<\/ol>\n

      Eg:
      \n\"Samacheer<\/p>\n

      Question 8.
      \nWhat is a website?
      \nAnswer:
      \nA website is a collection of webpages.
      \nEg: If there is a company that owns sricompany. com then this Website will have several Webpages like Home, About Us, Contact Us, Testimonials, Products, Services, FAQ\u2019s and others.<\/p>\n

      \"SamacheerKalvi.Guru\"<\/p>\n

      Question 9.
      \nWhat is CC and BCC in an email?
      \nAnswer:
      \nThe CC (Carbon Copy) field allows you to specify recipients who are not direct addressees (listed in the \u201cTo\u201d field). This field is optional. The BCC (Blind Carbon Copy) field is similar to CC, except the recipients are secret. Each BCC recipient will receive the e-mail, but will not see who else received a copy.<\/p>\n

      Question 10.
      \nWhat is a Static Web Page?
      \nAnswer:
      \nWeb pages are called Static websites as they remain the same whenever it is visited. Examples of static Websites are website owned by Small business organizations, School websites etc…<\/p>\n

      \"SamacheerKalvi.Guru\"<\/p>\n

      Question 11.
      \nWhat is a Dynamic Web Page?
      \nAnswer:
      \nWebsites that displays marks of Public Examinations and Entrance Examinations changes when different register numbers are given. Such websites are called as Dynamic Websites.
      \nEg: Websites of Government and Entrance Exams.<\/p>\n

      Question 12.
      \nWhat are the benefits of e-governance?
      \nAnswer:<\/p>\n

        \n
      1. Reduced corruption,<\/li>\n
      2. High transparency,<\/li>\n
      3. Increased convenience,<\/li>\n
      4. Reduction in overall cost,<\/li>\n
      5. Expanded reach of government.<\/li>\n<\/ol>\n

        \"SamacheerKalvi.Guru\"<\/p>\n

        Question 13.
        \nWhat is Phishing?
        \nAnswer:
        \nPhishing scams are fraudulent attempts by cyber criminals to obtain private information. Phishing scams often appear in the guise of email messages designed to appear as though they are from legitimate sources. For example, the message would try to lure you into giving your personal information by pretending that your bank.<\/p>\n

        III. Answer To The Following Questions<\/span><\/p>\n

        Question 1.
        \nDifferentiate PAN and CAN network?
        \nAnswer:
        \nPAN:<\/p>\n

          \n
        1. Personal Area Network, its ranges upto 100 meters.<\/li>\n
        2. Speed upto 250 Kbps.<\/li>\n
        3. Hotspot may connect upto 8 devices.<\/li>\n<\/ol>\n

          CAN:<\/p>\n

            \n
          1. Campus Area Network, its range upto 5 km.<\/li>\n
          2. Speed upto 40 Kb\/s to 1 MB\/s.<\/li>\n
          3. High Bandwdith Multi- departmental Network access.<\/li>\n<\/ol>\n

            Question 2.
            \nWhat is TCP\/IP?
            \nAnswer:
            \nThe Internet uses TCP\/IP (Transmission Control) to transmit data via various types of media. TCP\/IP is not a single networking protocol. It is a suite of protocols named after the two most important protocols or layers within it TCP and IP. As with any form of communication, two things are needed: a message to transmit and the me to reliably transmit the message.<\/p>\n

            \"SamacheerKalvi.Guru\"<\/p>\n

            Question 3.
            \nWrite a note on Hotspot Internet service?
            \nAnswer:
            \nHotspots are sites that offer Internet access over a Wireless Local Area Network (WLAN) by way of a router that then connects to an Internet service provider.<\/p>\n

            Hotspots utilize Wi-Fi technology, which allows electronic devices to connect to the Internet or exchange data wirelessly through radio waves. Hotspots can be phone-based or free-standing, commercial or free to the public.<\/p>\n

            Question 4.
            \nDifferentiate Data Card and Dongles?
            \nAnswer:
            \nData card:
            \nIt is a removable electronic card which is used for storing data. Types of datacard are –<\/p>\n

              \n
            1. Expansion Card<\/li>\n
            2. Memory Card or Flash Card<\/li>\n
            3. Identification Card<\/li>\n<\/ol>\n

              Dongle:
              \nRefers to any removable component used for enabling extra security. USB Dongles can be divided into<\/p>\n

                \n
              1. Wi-Fi Dongles<\/li>\n
              2. BlueTooth Dongle<\/li>\n
              3. Memory Dongle<\/li>\n<\/ol>\n

                \"SamacheerKalvi.Guru\"<\/p>\n

                Question 5.
                \nWrite a note on two access methods of connecting to Internet?
                \nAnswer:
                \nThere are two access methods Direct and Indirect and these can be either fixed or mobile.<\/p>\n

                Indirect Access:
                \nThis is most common method used in home and office networks.<\/p>\n

                The device (Eg: Computer) connects to a network using Ethernet or Wi-Fi and the network connects to the Internet using Asymmetric Digital Subscriber Line ADSL (cable or fibre.)<\/p>\n

                Direct Access:
                \nThis is most common method used when travelling. The device (Eg: smart phone) connects directly to the Internet using 3G\/4G mobile networks or public Wi-Fi.<\/p>\n

                \"SamacheerKalvi.Guru\"<\/p>\n

                Question 6.
                \nDifferentiate browser and a search engine with suitable examples?
                \nAnswer:
                \nBrowser:<\/p>\n

                  \n
                1. A browser is used to access website and web pages.<\/li>\n
                2. A browser is used to access the Internet.<\/span><\/li>\n
                3. Eg: Internet explorer, Chrome and Firefox.<\/span><\/li>\n<\/ol>\n

                  Search Engine:<\/p>\n

                    \n
                  1. A search engine is used to search for particular information.<\/li>\n
                  2. A search engine to search for information on the World Wide Web.<\/li>\n
                  3. Eg: Yahoo, Lycos, Altavista and Google.<\/li>\n<\/ol>\n

                    Question 7.
                    \nDifferentiate Website and Webpage?
                    \nAnswer:
                    \nWebpage:<\/p>\n

                      \n
                    1. Consists of a Single document displayed by a browser.<\/li>\n
                    2. Shares a unique domain name.<\/li>\n
                    3. Makes up a website.<\/li>\n
                    4. Static web pages directly run on the browser and do not require any server side application program.<\/li>\n
                    5. Static Web pages are easy to develop.<\/li>\n<\/ol>\n

                      Website:<\/p>\n

                        \n
                      1. A collection of multiple documents displayable by a browser.<\/li>\n
                      2. Has its own unique domain name .<\/li>\n
                      3. Contains one or more webpages.<\/li>\n
                      4. Dynamic web pages runs on the server side application programs and displays the results.<\/li>\n
                      5. Dynamic web page development requires programming skills.<\/li>\n<\/ol>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 9.
                        \nWrite a note on W3C?
                        \nAnswer:
                        \nW3C stands for \u201cWorld Wide Web Consortium.\u201d The W3C is an international community that includes a full-time staff, industry experts, and several member organizations. These groups work together to develop standards for the World Wide Web.<\/p>\n

                        It is made up of several hundred member organizations from a variety of related IT industries. W3C sets standards for the World Wide Web (WWW) to facilitate better communication ability and cooperation among all web stakeholders.<\/p>\n

                        Question 10.
                        \nWhat are Advantages of e-mail?
                        \nAnswer:
                        \n(i) Free delivery:
                        \nSending an e-mail is virtually free, outside the cost of Internet service. There is no need to buy a postage stamp to send a letter.<\/p>\n

                        (ii) Global delivery:
                        \nE-mail can be sent to nearly anywhere around the world, to any country.<\/p>\n

                        (iii) Instant delivery:
                        \nAn e-mail can be instantly sent and received by the recipient over the Internet.<\/p>\n

                        (iv) File attachment:
                        \nAn e-mail can include one or more file attachments, allowing a person to send documents, pictures, or other files with an e-mail.<\/p>\n

                        IV. Answer To The Following Questions<\/span><\/p>\n

                        Question 1.
                        \nCompare the different geographical types of Network?
                        \nAnswer:
                        \n(I) LAN -Local Area Network:<\/p>\n

                        1. Range:
                        \nUpto 10 Km.<\/p>\n

                        2. Location:
                        \nRefers to same office, same building, same company and in same schools.<\/p>\n

                        3. Speed:
                        \nUpto 10-100 Mbps.<\/p>\n

                        4. Advantages:
                        \nLow Cost, Resource Sharing, Security.<\/p>\n

                        5. Disadvantages:
                        \nArea Covered Limited. When number of nodes increases, performance decreases.<\/p>\n

                        (II) MAN – Metropolitan Area Network:<\/p>\n

                        1. Range:
                        \n10 to 15 Miles.<\/p>\n

                        2. Location:
                        \nMAN is a network designed to extend over an entire city.<\/p>\n

                        3. Speed:
                        \nUpto 5-10 Mbps.<\/p>\n

                        4. Advantages:
                        \nWider than LAN.<\/p>\n

                        5. Disadvantages:
                        \nData rate is slow compared to LAN and Cost is higher than LAN.<\/p>\n

                        (III) WAN – Wide Area Network:
                        \nRange: Above 1000 Kms.<\/p>\n

                        1. Location:
                        \nIt Span entire countries and continents.<\/p>\n

                        2. Speed:
                        \nUpto 256 Kbps to 2 Mbps. Advantages: Large geographical Area.<\/p>\n

                        3. Disadvantages:
                        \nComplicated and Complex, High Cost, Requires high Performance Devices, Low security, Cost is higher than LAN.<\/p>\n

                        (IV) PAN – Personal Area Network:<\/p>\n

                        1. Range:
                        \nUpto 100 meters.<\/p>\n

                        2. Location:
                        \nUsed for shorter distance, controlled by a single person within a single building.<\/p>\n

                        3. Speed:
                        \nUpto 250 Kbps.<\/p>\n

                        4. Advantages:
                        \nEfficient, Cost effective and convenient. Controlled by a single person. Hotspot may connect upto 8 devices.<\/p>\n

                        5. Disadvantages:
                        \nShorter distance upto 10 meters only. Data rate is low compared to other network.<\/p>\n

                        (V) CAN – Campus Area Network:<\/p>\n

                        1. Range:
                        \nUpto 5 Kms.<\/p>\n

                        2. Location:
                        \nLarger than LAN, but smaller than MAN. University, school or small business, enterprise.<\/p>\n

                        3. Speed:
                        \n40 Kb\/s to 1 MB\/s<\/p>\n

                        4. Advantages:
                        \nCost effective,Wired or Wireless Network, High Bandwidth Multi-departmental Network access.<\/p>\n

                        5. Disadvantages:
                        \nDifficult to manage<\/p>\n

                        (VI) WLAN – Wireless Local Area Network:<\/p>\n

                        1. Range:
                        \nUpto 50 Kms<\/p>\n

                        2. Location:
                        \nRanges from a single room to an entire campus: Uses Wi-Fi or Bluetooth, Radio waves.<\/p>\n

                        3. Speed:
                        \n1 Mbps to 54 Mbps<\/p>\n

                        4. Advantages:
                        \nPortable Installation is quick and easy.<\/p>\n

                        5. Disadvantages:
                        \nLow Bandwidth due to interference.<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 2.
                        \nExplain any five types of Internet services?
                        \nAnswer:
                        \n(i) Wireless:
                        \nRadio frequency bands are used in place of telephone or cable networks. One of the greatest advantages of wireless Internet connections is the \u201calways-on\u201d connection that can be accessed from any location that falls within network coverage. Wireless connections are made possible through the use of a modem, which picks up Internet signals and sends them to other devices.<\/p>\n

                        (ii) Mobile:
                        \nMany cell phone and smartphone providers offer voice plAnswer:w ith Internet access. Mobile Internet connections provide good speeds and allow you to access the Internet.<\/p>\n

                        (iii) Hotspots:
                        \nHotspots are sites that offer Internet access over a Wifeless Local Area Network (WLAN) by way of a router that then connects to an Internet service provider.<\/p>\n

                        Hotspots utilize Wi-Fi technology, which allows electronic devices to connect to the Internet or exchange data wirelessly through radio waves. Hotspots can be phone-based or free-standing, commercial or free to the public.<\/p>\n

                        (iv) Broadband:
                        \nThis high-speed Internet connection is provided through either cable or telephone companies. One of the fastest options available, broadband Internet uses multiple data channels to send large quantities of information.<\/p>\n

                        The term broadband is shorthand for broad bandwidth. Broadband Internet connections such as DSL and cable are considered high-bandwidth connections. Although many DSL connections can be considered broadband, not all broadband connections are DSL.<\/p>\n

                        (v) DSL:
                        \nDSL, which stands for Digital Subscriber Line, uses existing 2-wire copper telephone line connected to one\u2019s home. So service is delivered at the same time as landline telephone service. Customers can still place calls while surfing the Internet.<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 3.
                        \nExplain any five Internet applications with suitable examples?
                        \nAnswer:
                        \n(i) Internet telephony:
                        \nInternet telephony (Eg: Skype) is another common communications service made possible by the creation of the Internet. VoIP stands for Voice-over-Internet Protocol, referring to the protocol that underlies all Internet communication.<\/p>\n

                        (ii) Job search:
                        \nNowadays, many people search for their jobs online as it is quicker and there is a larger variety of job vacancies present. People can publish resume online for prospective job. Some of the web sites providing this service are naukri.com, monster.com, summer iob. com, recruitment india ofii etc…<\/p>\n

                        (iii) Online Shopping:
                        \nThe Internet has also facilitated the introduction of a new market concept consisting of virtual shops. They provide information about products or services for sale through www servers.<\/p>\n

                        Using the Internet services customers can submit specific product queries and request specific sales quotes. For example amazon.com is a www based bookshop on the Internet where information on all types of international books can be found and books can be ordered online.<\/p>\n

                        (iv) Stock market updates:
                        \nSelling or buying shares sitting on computer through Internet. Several websites like ndtvprofit.com, moneypore.com, provide information regarding investment.<\/p>\n

                        (v) Travel:
                        \nOne can use Internet to gather information about various tourist place. It can be used for booking Holiday tours, hotels, train, bus, flights and cabs. Some of the websites providing this service are goibibo.com, makemytrip.com, olacabs. com.<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 4.
                        \nWrite a note on any five Internet browsers other than that given in the book?
                        \nAnswer:
                        \n(i) Microsoft Edge:
                        \nThe faster, safer way to get things done on the web. Edge go from your mobile device or tablet.<\/p>\n

                        (ii) Opera:
                        \nOpera browser for windows with a built-in ad blocker and VPN. Our free web browser for windows brings you more speed and privacy.<\/p>\n

                        (iii) Vivaldi:
                        \nWe use cookies to offer you a better browsing experience and analyze site traffic. If you continue to use this site, you consent to our use of cookies.<\/p>\n

                        (iv) Comodo Dragon:
                        \nIt helps you stay safe and secure. Provides unsurpassed speed. Friendly user interface, customized plug-ins and add-ons. No more crashes or frozen screens.<\/p>\n

                        (v) Brave:
                        \nBrave is on a mission to fix the Web. Much more than a browser, Brave is a new way of thinking about how the Web works. No more data changes to download unwanted content.<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 5.
                        \nClassify and explain any five e-commerce parties with suitable examples?
                        \nAnswer:
                        \n(i) Business to Consumer (B2C):
                        \nTransactions happen between businesses and consumers. In B2C e-commerce, businesses are the ones selling products or services to end-users (i.e., consumers).<\/p>\n

                        (ii) Business to Business (B2B):
                        \nAs its name states, B2B e-commerce pertains to transactions conducted between two businesses. Any company whose customers are other businesses operate on a B2B model. .<\/p>\n

                        (iii) Consumer to Business (C2B):
                        \nConsumer to business e-commerce happens when a consumer sells or contributes monetary value to a business. Many crowdsourcing campaigns fall under C2B e-commerce.<\/p>\n

                        (iv) Consumer to Consumer (C2C):
                        \nAs you might have guessed, C2C e-commerce happens when something is bought and sold between two consumers. C2C commonly takes place on online market places such as e-Bay, in which one individual sells a product or service to another.<\/p>\n

                        (v) Government to Business (G2B):
                        \nG2C transactions take place when a company pays for government goods, services, or fees online. Examples could be a business paying for taxes using the Internet.<\/p>\n

                        Question 6.
                        \nExplain the different types of interactions in e-governance?
                        \nAnswer:
                        \n(i) G2G (Government to Government):
                        \nWhen the exchange of information and services is within the periphery of the government, is termed as G2G interaction. This Can be both horizontal, i.e., among vanous government entities and vertical, i.e., between national, state and local government entities and within different levels of the entity.<\/p>\n

                        (ii) G2C (Government to Citizen):
                        \nThe interaction amidst the government and general public is G2C interaction. Here an interface is set up between government and citizens, which enables citizens to get access to wide variety of public services. The citizens has the freedom to share their views and grievances on government policies anytime, anywhere.<\/p>\n

                        (iii) G2B (Government to Business):
                        \nIn this case, the e-govemance helps the business class to interact with the government seamlessly. It aims at eliminating red-tapism, saving time, cost and establish transparency in the business environment, while interacting with government.<\/p>\n

                        (iv) G2E (Government to Employees):
                        \nThe government of any country is the biggest employer and so it also deals with employees on a regular basis, as other employers do. ICT helps in making the interaction between government and employees fast and efficient, along with raising their level of satisfaction by providing perquisites and add-on benefits.<\/p>\n

                        E-govemance has a great role to play, that improves and supports all tasks performed by the government department and agencies, because it simplifies the task on the one hand and increases the quality of work on the other.<\/p>\n

                        Samacheer Kalvi 11th Computer Applications Introduction to Internet and Email Additional Questions and Answers<\/h3>\n

                        I. Choose The Correct Answer<\/span><\/p>\n

                        Question 1.
                        \nWhich type of Network is covered within a building or company?
                        \n(a) LAN
                        \n(b) MAN
                        \n(c) WAN
                        \n(d) PAN
                        \nAnswer:
                        \n(a) LAN<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 2.
                        \nWhich Network is covered over entire city?
                        \n(a) LAN
                        \n(b) MAN
                        \n(c) WAN
                        \n(d) PAN
                        \nAnswer:
                        \n(b) MAN<\/p>\n

                        Question 3.
                        \nThe Network is span entire countries and continents:
                        \n(a) LAN
                        \n(b) MAN
                        \n(c) WAN
                        \n(d) PAN
                        \nAnswer:
                        \n(c) WAN<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 4.
                        \nWhich network is controlled by a single person within a single building?
                        \n(a) LAN
                        \n(b) MAN
                        \n(c) WAN
                        \n(d) PAN
                        \nAnswer:
                        \n(d) PAN<\/p>\n

                        Question 5.
                        \nWhich network is used for High Bandwidth Multi-departmental wired network?
                        \n(a) MAN
                        \n(b) CAN
                        \n(c) PAN
                        \n(d) WAN
                        \nAnswer:
                        \n(b) CAN<\/p>\n

                        Question 6.
                        \nWhich network is used for wi-fi or Bluetooth?
                        \n(a) WLAN
                        \n(b) LAN
                        \n(c) MAN
                        \n(d) WAN
                        \nAnswer:
                        \n(a) WLAN<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 7.
                        \nThe protocol by used Internet:
                        \n(a) TCP\/IP
                        \n(b) http
                        \n(c) HTT
                        \n(d) TC\/IP
                        \nAnswer:
                        \n(a) TCP\/IP<\/p>\n

                        Question 8.
                        \nA private network that uses Internet Technologies:
                        \n(a) Internet
                        \n(b) Network
                        \n(c) Extranet
                        \n(d) LAN
                        \nAnswer:
                        \n(c) Extranet<\/p>\n

                        Question 9.
                        \nWho is called Father of the Internet?
                        \n(a) Vinton Gray Cerf
                        \n(b) Tim Berners-Lee
                        \n(c) Charless Babbage
                        \n(d) William Cerf
                        \nAnswer:
                        \n(a) Vinton Gray Cerf<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 10.
                        \nWho was also involved in the formation of ICANN?
                        \n(a) Vinton Gray Cerf
                        \n(b) Tim Berners-Lee
                        \n(c) Bob Kahn
                        \n(d) William Cerf
                        \nAnswer:
                        \n(a) Vinton Gray Cerf<\/p>\n

                        Question 11.
                        \nWhich name is used to online identity and can be access by the web browser when connected the Internet?
                        \n(a) E-mail
                        \n(b) Domain name
                        \n(c) FTP
                        \n(d) Profocol
                        \nAnswer:
                        \n(b) Domain name<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 12.
                        \nThe Generic domain name system of Government Institutions:
                        \n(a) .com
                        \n(b) .gov.
                        \n(c) -org
                        \n(d) .edu
                        \nAnswer:
                        \n(b) .gov.<\/p>\n

                        Question 13.
                        \nThe Generic domain nam? system of Educational Institution:
                        \n(a) .com
                        \n(b) .gov
                        \n(c) .org
                        \n(d) .edu
                        \nAnswer:
                        \n(d) .edu<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 14.
                        \nThe heart of intranets and the Internet is called as:
                        \n(a) DNS
                        \n(b) IP
                        \n(c) TCP
                        \n(d) FTP
                        \nAnswer:
                        \n(a) DNS<\/p>\n

                        Question 15.
                        \nWhich is used as Internet address information?
                        \n(a) IP
                        \n(b) DNS
                        \n(c) TC
                        \n(d) FTP
                        \nAnswer:
                        \n(a) IP<\/p>\n

                        Question 16.
                        \nWhich system is used to deliver mail and other information from computer to computer?
                        \n(a) IP
                        \n(b) DNS
                        \n(c) TC
                        \n(d) FTP
                        \nAnswer:
                        \n(b) DNS<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 17.
                        \nThe country level domain name system in India is:
                        \n(a) . in
                        \n(b) .us
                        \n(c) -sg
                        \n(d) .ru
                        \nAnswer:
                        \n(a) . in<\/p>\n

                        Question 18.
                        \nTJie country level domain name system in USA is:
                        \n(a) .in
                        \n(b) .us
                        \n(c) sg
                        \n(d) .ru
                        \nAnswer:
                        \n(b) .us<\/p>\n

                        Question 19.
                        \nThe country level domain name system in Singapore is:
                        \n(a) .in
                        \n(b) .us
                        \n(c) .sg
                        \n(d) .ru
                        \nAnswer:
                        \n(c) .sg<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 20.
                        \nHow many parts are IP address?
                        \n(a) 2
                        \n(b) 3
                        \n(c) 4
                        \n(d) 5
                        \nAnswer:
                        \n(c) 4<\/p>\n

                        Question 21.
                        \nIP address is separated by:
                        \n(a) dots
                        \n(b) comma
                        \n(c) ‘semi-colon’
                        \n(d) colon
                        \nAnswer:
                        \n(a) dots<\/p>\n

                        Question 22.
                        \nURL abbreviation is:
                        \n(a) Uniform Resource Locator
                        \n(b) Uniform Reserve Locator
                        \n(c) Uniform Resistance Locator
                        \n(d) Uniform Read Locator
                        \nAnswer:
                        \n(a) Uniform Resource Locator<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 23.
                        \nICANN stands for:
                        \n(a) Internet Corporation for Assigned Names and Numbers
                        \n(b) Intranet Corporation for Assigned Names and Numbers
                        \n(c) Internet Corporation for Assigned Names and Natives
                        \n(d) Internet Community for Assigned Names and Numbers
                        \nAnswer:
                        \n(a) Internet Corporation for Assigned Names and Numbers<\/p>\n

                        Question 24.
                        \nICANN head quarters is:
                        \n(a) Los Angeles
                        \n(b) New York
                        \n(c) Playa Vista
                        \n(d) San Francisco
                        \nAnswer:
                        \n(c) Playa Vista<\/p>\n

                        Question 25.
                        \nW3C stands for:
                        \n(a) World Wide Work Consortium
                        \n(b) World Wide Web Consortium
                        \n(c) World Wide Web Connector
                        \n(d) World Wide Web Council
                        \nAnswer:
                        \n(b) World Wide Web Consortium<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 26.
                        \nWhat is the greatest advantage of Wireless Internet Connection?
                        \n(a) Fast
                        \n(b) Easy way
                        \n(c) Always-on
                        \n(d) Accessed
                        \nAnswer:
                        \n(c) Always-on<\/p>\n

                        Question 27.
                        \nWhich device is used to pick up and send Internet signals?
                        \n(a) Modem
                        \n(b) Cable
                        \n(c) Telephone
                        \n(d) Wireless
                        \nAnswer:
                        \n(a) Modem<\/p>\n

                        Question 28.
                        \nWhich device provides good speed and allow you to access the Internet anywhere?
                        \n(a) Cellphone
                        \n(b) Desktop computer
                        \n(c) Removable device
                        \n(d) None
                        \nAnswer:
                        \n(a) Cellphone<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 29.
                        \nWhich technology allows to connect the Internet or exchanges data wirelessly through radio waves?
                        \n(a) Wi-Fi
                        \n(b) LAN
                        \n(c) WAN
                        \n(d) PAN
                        \nAnswer:
                        \n(a) Wi-Fi<\/p>\n

                        Question 30.
                        \nThe term broadband is shorthand for:
                        \n(a) broad bandwidth
                        \n(b) broad banding
                        \n(c) broad bandlength
                        \n(d) none
                        \nAnswer:
                        \n(a) broad bandwidth<\/p>\n

                        Question 31.
                        \nDSL stands for:
                        \n(a) Digital Subscriber Line
                        \n(b) Digital Super Line
                        \n(c) Digital Secondary Line
                        \n(d) Digital Source Line
                        \nAnswer:
                        \n(a) Digital Subscriber Line<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 32.
                        \nWhich network allows user to send data, voice and video content?
                        \n(a) Wireless
                        \n(b) ISDN
                        \n(c) WLAN
                        \n(d) DSL
                        \nAnswer:
                        \n(b) ISDN<\/p>\n

                        Question 33.
                        \nISDN stands for:
                        \n(a) Integrated Services Digital Network
                        \n(b) International Services Digital Network
                        \n(c) International Source Digital Network
                        \n(d) Integrated Services Digital Node
                        \nAnswer:
                        \n(a) Integrated Services Digital Network<\/p>\n

                        Question 34.
                        \nADSL stands for:
                        \n(a) Asymmetric Digital Subscriber Line
                        \n(b) Assume Digital Subscriber Line
                        \n(c) Arrange Digital Subscriber Line
                        \n(d) Asymmetric Digital Secondary Line
                        \nAnswer:
                        \n(a) Asymmetric Digital Subscriber Line<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 35.
                        \nVoIP stands for:
                        \n(a) Value-over Internet Protocol
                        \n(b) Voiee-over Internet Protocol
                        \n(c) Volume-over Internet Protocol
                        \n(d) Visual-over Internet Protocol
                        \nAnswer:
                        \n(b) Voiee-over Internet Protocol<\/p>\n

                        Question 36.
                        \nWhich system is sending message over the phone and they can listen to their message later?
                        \n(a) Video conferencing
                        \n(b) Voice mail
                        \n(c) Chatting
                        \n(d) e-Banking
                        \nAnswer:
                        \n(b) Voice mail<\/p>\n

                        Question 29.
                        \nWhich technology allows to connect the Internet or exchanges data wirelessly through radio waves?
                        \n(a) Wi-Fi
                        \n(b) LAN
                        \n(c) WAN
                        \n(d) PAN
                        \nAnswer:
                        \n(a) Wi-Fi<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 30.
                        \nThe term broadband is shorthand for:
                        \n(a) broad bandwidth
                        \n(b) broad banding
                        \n(c) broad bandlength
                        \n(d) none
                        \nAnswer:
                        \n(a) broad bandwidth<\/p>\n

                        Question 31.
                        \nDSL stands for:
                        \n(a) Digital Subscriber Line
                        \n(b) Digital Super Line
                        \n(c) Digital Secondary Line
                        \n(d) Digital Source Line
                        \nAnswer:
                        \n(a) Digital Subscriber Line<\/p>\n

                        Question 32.
                        \nWhich network allows user to send data, voice and video content?
                        \n(a) Wireless
                        \n(b) ISDN
                        \n(c) WLAN
                        \n(d) DSL
                        \nAnswer:
                        \n(b) ISDN<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 33.
                        \nISDN stands for:
                        \n(a) Integrated Services Digital Network
                        \n(b) International Services Digital Network
                        \n(c) International Source Digital Network
                        \n(d) Integrated Services Digital Node
                        \nAnswer:
                        \n(a) Integrated Services Digital Network<\/p>\n

                        Question 34.
                        \nADSL stands for:
                        \n(a) Asymmetric Digital Subscriber Line
                        \n(b) Assume Digital Subscriber Line
                        \n(c) Arrange Digital Subscriber Line
                        \n(d) Asymmetric Digital Secondary Line
                        \nAnswer:
                        \n(a) Asymmetric Digital Subscriber Line<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 35.
                        \nVoIP stands for:
                        \n(a) Value-over Internet Protocol
                        \n(b) Voiee-over Internet Protocol
                        \n(c) Volume-over Internet Protocol
                        \n(d) Visual-over Internet Protocol
                        \nAnswer:
                        \n(b) Voiee-over Internet Protocol<\/p>\n

                        Question 36.
                        \nWhich system is sending message over the phone and they can listen to their message later?
                        \n(a) Video conferencing
                        \n(b) Voice mail
                        \n(c) Chatting
                        \n(d) e-Banking
                        \nAnswer:
                        \n(b) Voice mail<\/p>\n

                        Question 37.
                        \nWhich system is taking in Internet can be on going or scheduled for a particular time or duration?
                        \n(a) Video conferencing
                        \n(b) Voice mail
                        \n(c) Chatting
                        \n(d) e-Banking
                        \nAnswer:
                        \n(c) Chatting<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 38.
                        \nWhich system is known as Internet banking?
                        \n(a) Video conferencing
                        \n(b) Voice mail
                        \n(c) Chatting
                        \n(d) e-Banking
                        \nAnswer:
                        \n(d) e-Banking<\/p>\n

                        Question 39.
                        \nThe system is utilizing electronic technologies to access educational curriculam outside of a traditional class room:
                        \n(a) video mail
                        \n(b) c-learning
                        \n(c) chatting
                        \n(d) e-banking
                        \nAnswer:
                        \n(b) c-learning<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 40.
                        \nWho was sent a first e-mail?
                        \n(a) Ray Tomlinson
                        \n(b) Bob Kahn
                        \n(c) Vinton Gray Cerf
                        \n(d) Tim Berners-Lee
                        \nAnswer:
                        \n(a) Ray Tomlinson<\/p>\n

                        Question 41.
                        \nWhat is the use of compose button in die mail window?
                        \n(a) Writting e-mail content
                        \n(b) Searching files
                        \n(c) Copy the file
                        \n(d) Modifing the file
                        \nAnswer:
                        \n(a) Writting e-mail content<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 42.
                        \nWhich software is created by cyber criminals to spy on their victims?
                        \n(a) Virus
                        \n(b) Malicious spyware
                        \n(c) Spam
                        \n(d) Phishing
                        \nAnswer:
                        \n(b) Malicious spyware<\/p>\n

                        Question 43.
                        \nWhich software program can copy itself from one computer to another without human Interaction?
                        \n(a) Malware
                        \n(b) Botnet
                        \n(c) Computer worm
                        \n(d) Spam
                        \nAnswer:
                        \n(c) Computer worm<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 44.
                        \nThe group of computers connected to the Internet that have been compromised by a hacker using a computer virus:
                        \n(a) malware
                        \n(b) botnet
                        \n(c) computer worm
                        \n(d) spam
                        \nAnswer:
                        \n(b) botnet<\/p>\n

                        Question 45.
                        \nWhich is described as unwanted messages in your e-mail box and is a nuisance as it can . clutter your mail box?
                        \n(a) Malware
                        \n(b) Botnet
                        \n(c) Computer worm
                        \n(d) Spam
                        \nAnswer:
                        \n(b) Botnet<\/p>\n

                        Question 46.
                        \nThe scams are fraudulent attempts by cyber criminals to obtain private information:
                        \n(a) phishing
                        \n(b) malware
                        \n(c) botnet
                        \n(d) spam
                        \nAnswer:
                        \n(a) phishing<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 47.
                        \nWhich tools are used to obtain administrator- level access to a computer or a network of computers?
                        \n(a) Phishing
                        \n(b) Malware
                        \n(c) Root kit
                        \n(d) Spam
                        \nAnswer:
                        \n(c) Root kit<\/p>\n

                        Question 48.
                        \nBrowsing for information on the Internet is called:
                        \n(a) surfing
                        \n(b) phishing
                        \n(c) spam
                        \n(d) worm
                        \nAnswer:
                        \n(a) surfing<\/p>\n

                        Question 49.
                        \nTo browse the Internet, a software is called:
                        \n(a) Botnet
                        \n(b) Spam
                        \n(c) Web browser
                        \n(d) Phishing
                        \nAnswer:
                        \n(c) Web browser<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 50.
                        \nGoogle Inc. was developed for familiar web browser is:
                        \n(a) chrome
                        \n(b) firefox
                        \n(c) safari
                        \n(d) vivaldi
                        \nAnswer:
                        \n(a) chrome<\/p>\n

                        Question 51.
                        \nSafari is a web browser, who was developed by:
                        \n(a) Google Inc.
                        \n(b) Mozilla foundation
                        \n(c) Apple Inc
                        \n(d) Microsoft Corp
                        \nAnswer:
                        \n(c) Apple Inc<\/p>\n

                        Question 52.
                        \nA collection of webpages is called:
                        \n(a) website
                        \n(b) e-mail
                        \n(c) web service
                        \n(d) home page
                        \nAnswer:
                        \n(a) website<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 53.
                        \nEvery web page has a unique address called the:
                        \n(a) URL
                        \n(b) ICANN
                        \n(c) CC
                        \n(d) BCC
                        \nAnswer:
                        \n(a) URL<\/p>\n

                        Question 54.
                        \nWhich type of websites remain the same whenever it is visited?
                        \n(a) Static
                        \n(b) Dynamic
                        \n(c) Both (a) & (b)
                        \n(d) URL
                        \nAnswer:
                        \n(a) Static<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 55.
                        \nWhich website content and layout may change during run time?
                        \n(a) Static
                        \n(b) Dynamic
                        \n(c) Both (a) & (b)
                        \n(d) URL
                        \nAnswer:
                        \n(b) Dynamic<\/p>\n

                        Question 56.
                        \nThe activity of buying or selling of products on online services or over the Internet:
                        \n(a) e-mail
                        \n(b) e-commerce:
                        \n(c) e-leaming
                        \n(d) e-govemance
                        \nAnswer:
                        \n(b) e-commerce:<\/p>\n

                        Question 57.
                        \nWhich term is used by transactions happen between business and consumers?
                        \n(a) B2C
                        \n(b) B2B
                        \n(c) C2B
                        \n(d) C2C
                        \nAnswer:
                        \n(a) B2C<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 58.
                        \nWhich term is used to pertain transactions conducted between two business?
                        \n(a) B2C
                        \n(b) B2B
                        \n(c) C2B
                        \n(d) C2C
                        \nAnswer:
                        \n(b) B2B<\/p>\n

                        Question 59.
                        \nThe application of information and communication technology for delivering government services are:
                        \n(a) G2C
                        \n(b) e-govemance
                        \n(c) e-commerce
                        \n(d) e-leaming
                        \nAnswer:
                        \n(b) e-govemance<\/p>\n

                        Question 60.
                        \nA great role to play, that improves and supports all tasks performed by the government department and agencies are:
                        \n(a) e-commerce
                        \n(b) e-govemance
                        \n(c) e-leaming
                        \n(d) e-mail
                        \nAnswer:
                        \n(b) e-governance<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 61.
                        \nWhich month can be celebrated \u2018Safer Internet Day\u2019of every year?
                        \n(a) January
                        \n(b) February
                        \n(c) March
                        \n(d) May
                        \nAnswer:
                        \n(b) February<\/p>\n

                        Question 62.
                        \nWhich is a software managing technique through which programs that are suspected to be infected with a virus can be run?
                        \n(a) Sandboxing
                        \n(b) Spam
                        \n(c) Phishing
                        \n(d) Botnet
                        \nAnswer:
                        \n(a) Sandboxing<\/p>\n

                        Question 63.
                        \nIoT – means:
                        \n(a) Internet of Things
                        \n(b) International of Things
                        \n(c) Internet of Timings
                        \n(d) Internet of Teachings
                        \nAnswer:
                        \n(a) Internet of Things<\/p>\n

                        \"SamacheerKalvi.Guru\"<\/p>\n

                        Question 64.
                        \nUSB, Wi-Fi are removable component and it refers:
                        \n(a) device
                        \n(b) dongle
                        \n(c) electronic parts
                        \n(d) electronic governance
                        \nAnswer:
                        \n(b) dongle<\/p>\n

                        II. Answer To The Following Questions<\/span><\/p>\n

                        Question 1.
                        \nAny two advantages for necessity of using Internet in commerce?
                        \nAnswer:
                        \nThe cost, time and effort involved in transferring data was much higher without , networks. So networks, decrease cost, time, and effort and thereby increase productivity. They also help in resource optimization by helping to share resources.<\/p>\n

                        Question 2.
                        \nWhat are the disadvantages of using WAN?
                        \nAnswer:<\/p>\n

                          \n
                        1. Complicated and complex.<\/li>\n
                        2. High cost.<\/li>\n
                        3. Requires high performance devices.<\/li>\n
                        4. Low security.<\/li>\n
                        5. Cost higher than LAN.<\/li>\n<\/ol>\n

                          Question 3.
                          \nWhat are the advantages of using PAN network?
                          \nAnswer:<\/p>\n

                            \n
                          1. Efficient.<\/li>\n
                          2. Cost effective and convenient.<\/li>\n
                          3. Controlled by a single person.<\/li>\n
                          4. Hotspot may connect upto 8 devices.<\/li>\n<\/ol>\n

                            \"SamacheerKalvi.Guru\"<\/p>\n

                            Question 4.
                            \nWrite any four popular social sharing tools.
                            \nAnswer:<\/p>\n

                              \n
                            1. Facebook<\/li>\n
                            2. Twitter<\/li>\n
                            3. Linkedin<\/li>\n
                            4. Whatsapp<\/li>\n<\/ol>\n

                              Question 5.
                              \nWhat is a domain name?
                              \nAnswer:
                              \nIt is a name or an identity which become a online identity and can be accessed by the web browser when connected to Internet.<\/p>\n

                              Question 6.
                              \nWrite any four country level domain name?
                              \nAns
                              \nDescription:<\/p>\n

                                \n
                              1. India<\/li>\n
                              2. Australia<\/li>\n
                              3. United States of America<\/li>\n
                              4. Japan<\/li>\n<\/ol>\n

                                Country level Domain Name:<\/p>\n

                                  \n
                                1. .in<\/li>\n
                                2. .au<\/li>\n
                                3. .us<\/li>\n
                                4. .jp<\/li>\n<\/ol>\n

                                  \"SamacheerKalvi.Guru\"<\/p>\n

                                  Question 7.
                                  \nwhat is an URL?
                                  \nAnswer:
                                  \nA URL is an address that shows where a particular page can be found on the World Wide Web. URL is an abbreviation for \u2018Uniform Resource Locator (URL)\u2019.<\/p>\n

                                  Question 8.
                                  \nWho governs the Internet?
                                  \nAnswer:
                                  \nThe Internet as a whole does not have a single controller. But the Internet. society, which is a voluntary membership organization, takes the responsibility to promote global information exchange through the Internet technology.<\/p>\n

                                  Question 9.
                                  \nWhat is a ISDN?
                                  \nAnswer:
                                  \nISDN (Integrated Services Digital Network) allows users to send data, voice and video content over digital telephone lines or standard telephone wires. The installation of an ISDN adapter is required at both ends of the transmission – on the part of the user as well as the Internet access provider.<\/p>\n

                                  Question 10.
                                  \nWhat is an Indirect Access in Internet?
                                  \nAnswer:
                                  \nThis is most common method used in home and office networks.
                                  \nThe device (Eg: Computer) connects to a network using Ethernet or Wi-Fi and the network connects to the Internet using Asymmetric Digital Subscriber Line ADSL, (cable or fibre.)<\/p>\n

                                  \"SamacheerKalvi.Guru\"<\/p>\n

                                  Question 11.
                                  \nWhat is an Direct Access in Internet?
                                  \nAnswer:
                                  \nThis is most common method used when travelling. The device (Eg: Smart phone) connects directly to the Internet using 3G\/4G mobile networks or public Wi-Fi.<\/p>\n

                                  Question 12.
                                  \nGive some most popular search engines?
                                  \nAnswer:
                                  \nYahoo, Lycos, Altavista, Hotbot, Google and Askjeeves are the most popular search engines.<\/p>\n

                                  Question 13.
                                  \nWhat is the purpose of voicemail in Internet?
                                  \nAnswer:
                                  \nVoicemail is a system of sending messages over the phone. Calls are answered by a machine which connects you to the person you want to leave a message for, and they can listen to their messages later.<\/p>\n

                                  Question 14.
                                  \nWhat is sent in an e-mail?
                                  \nAnswer:
                                  \nText messages being sent over e-mail, it is also possible to attach a file or other data in , an e-mail. For example, an attachment could be a picture, PDF,word processor document, or any file stored on the computer.<\/p>\n

                                  \"SamacheerKalvi.Guru\"<\/p>\n

                                  Question 15.
                                  \nWhat is a computer virus?
                                  \nAnswer:
                                  \nA computer virus is a small piece of software that can spread from one infected computer to another. The virus could corrupt, steal, or delete data on your computer-even erasing everything on your hard drive. A virus could also use other programs like your e-mail program to spread itself to other computers.<\/p>\n

                                  Question 16.
                                  \nWhat is a malicious software?
                                  \nAnswer:
                                  \nMalware is short for \u201cmalicious software.\u201d Malware is used to mean a \u201cvariety of forms of hostile, intrusive, or annoying software or program code.\u201d Malware could be computer viruses, worms, Trojan horses, dishonest spyware, and malicious rootkits all of which are .defined below.<\/p>\n

                                  Question 17.
                                  \nWhat is an Trojan horse software?
                                  \nAnswer:
                                  \nUsers can infect their computers with Trojan horse software simply by downloading an application they thought was legitimate but was in fact malicious.<\/p>\n

                                  Once it enters inside the computer, a Trojan horse can do anything from recording your passwords by logging its keystrokes, hijacking your webcam to watch and record every movement.<\/p>\n

                                  \"SamacheerKalvi.Guru\"<\/p>\n

                                  Question 18.
                                  \nWhat is a Botnet?
                                  \nAnswer:
                                  \nA botnet is a group of computers connected to the Internet that have been compromised by a hacker using a computer virus or Trojan horse. An individual computer in the group is known as a \u201czombie\u201d computer.<\/p>\n

                                  Question 19.
                                  \nWhat is a spam?
                                  \nAnswer:
                                  \nSpam in the security context is primarily used to describe e-mail spam. Unwanted messages in your e-mail inbox. Spam, or electronic junk mail, is a nuisance as it can clutter your mailbox as well as potentially take up space on your mail server.<\/p>\n

                                  However, spam messages can contain links that when clicked on could go to a website that installs malicious software onto your computer.<\/p>\n

                                  Question 20.
                                  \nWhat is a Rootkit?
                                  \nAnswer:
                                  \nA root kit is a collection of tools that are used to obtain administrator-level access to a computer or a network of computers. A root kit could be installed on your computer by a cyber criminal exploiting a vulnerability or security hole in a legitimate application on your PC and may contain spyware that monitors and records keystrokes.<\/p>\n

                                  \"SamacheerKalvi.Guru\"<\/p>\n

                                  Question 21.
                                  \nWhat is a web page?
                                  \nAnswer:
                                  \nA webpage is a page of a Website. A web that page can be copied and or send to a friend for review whereas websites are collections of multiple page that must be navigated to view other content.<\/p>\n

                                  Question 22.
                                  \nWhat is an commerce?
                                  \nAnswer:
                                  \ne-commerce is the activity of buying or selling of products on online services or over the Internet. Electronic commerce draws on technologies such as mobile commerce, electronic funds transfer, supply chain management, Internet marketing, online transaction processing, electronic data interchange (EDI), inventory management systems, and automated data collection systems.<\/p>\n

                                  Question 23.
                                  \nWhat is a purpose of sandboxing software?
                                  \nAnswer:
                                  \nSand boxing is a software managing technique through which programs that are suspected to be infected with a virus can be run. The programs are run in a separated memory area and therefore cannot damage the operating systems.<\/p>\n

                                  Question 24.
                                  \nWhat is mean by Hotspots?
                                  \nAnswer:
                                  \nHotspots are sites that offer Internet access over Wireless Local Network (WLAN) by way of a router that then connects to an Internet service provider.<\/p>\n

                                  \"SamacheerKalvi.Guru\"<\/p>\n

                                  Question 25.
                                  \nWhat is a Internet telephony?
                                  \nAnswer:
                                  \nInternet telephony (Eg: Skype) is another common communications service made possible by the creation of the Internet. VoIP stands for Voice-over-Internet Protocol.<\/p>\n

                                  Question 26.
                                  \nWhat is a Dongle?
                                  \nAnswer:
                                  \nDongle refers to removable component used for enabling software protection.
                                  \nEg: USB, Wi-Fi.<\/p>\n

                                  \"SamacheerKalvi.Guru\"<\/p>\n

                                  Question 27.
                                  \nWhat are the ways to lookfor the information on the web?
                                  \nAnswer:
                                  \nThere are two ways to look for the information on the web.<\/p>\n

                                    \n
                                  1. If the URL of the website is known, enter it on the address bar.<\/li>\n
                                  2. If is the URL is not known, then \u2018Search Engines\u2019 will help us to get the information.<\/li>\n<\/ol>\n

                                    III. Answer To The Following Questions<\/span><\/p>\n

                                    Question 1.
                                    \nDifferentiate an extranet and an intranet?
                                    \nAnswer:
                                    \nExtranet:
                                    \nAn extranet is a private network that uses Internet technology and the public telecommunication system to securely share part of a business\u2019s information or operations with Suppliers, vendors, partners, customers, or other businesses.<\/p>\n

                                    Intranet:
                                    \nAn Intranet is a website used by organizations to provide a place where employees can access company information (Eg: policies, procedures, staff, directory, department info), tools (quick links to common apps, forms etc…) and (collaborate to social sharing tools similar facebook).<\/p>\n

                                    \"SamacheerKalvi.Guru\"<\/p>\n

                                    Question 2.
                                    \nWhat are the services available from Internet?
                                    \nAnswer:<\/p>\n

                                      \n
                                    1. Email.<\/li>\n
                                    2. Web-enabled audio\/video conferencing services.<\/li>\n
                                    3. Online movies and gaming.<\/li>\n
                                    4. Data transfer\/file-sharing, often through File Transfer Protocol (FTP).<\/li>\n
                                    5. Instant messaging.<\/li>\n
                                    6. Internet forums.<\/li>\n
                                    7. Social networking.<\/li>\n
                                    8. Online shopping.<\/li>\n
                                    9. Financial services.<\/li>\n<\/ol>\n

                                      Question 3.
                                      \nWhat is the purpose of DNS?
                                      \nAnswer:
                                      \nThe heart of intranets and the Internet is called as the Domain Name System(DNS), the way computers can contact each other and do things such as exchange electronic mail or display Web pages. The Internet Protocol (IP) uses this Internet address information and the DNS to deliver mail and other information from computer to computer.<\/p>\n

                                      \"SamacheerKalvi.Guru\"<\/p>\n

                                      Question 4.
                                      \nWhat is meant by Broadband?
                                      \nAnswer:
                                      \nHigh-speed Internet connection is provided through either cable or telephone companies. One of the fastest options available, broadband Internet uses multiple data channels to send large quantities of information.<\/p>\n

                                      The term broadband is shorthand for broad bandwidth. Broadband Internet connections such as DSL and cable are considered high- bandwidth connections. Although many DSL connections can be considered broadband, not all broadband connections are DSL.<\/p>\n

                                      Question 5.
                                      \nWhat is chatting on the Internet?
                                      \nAnswer:
                                      \nOn the Internet, chatting is talking to other people who are using the Internet at the same time you are. Usually, this \u201ctalking\u201d is the exchange of typed-in messages and a group of users who take part from anywhere on the Internet. Chats can be ongoing or scheduled for a particular time and duration.<\/p>\n

                                      Most chats are focused on a particular topic of interest and some involve guest experts or famous people who \u201ctalk\u201d to anyone joining the chat. Transcripts of a chat can be archived for later reference.<\/p>\n

                                      \"SamacheerKalvi.Guru\"<\/p>\n

                                      Question 6.
                                      \nWhat is online banking services?
                                      \nAnswer:
                                      \ne-banking (Online banking), also known as Internet banking, it is an electronic payment system that enables customers of a bank or other financial institution to conduct a range of financial transactions through the financial institution\u2019s website.<\/p>\n

                                      The online banking system will typically connect to or be part of the core banking system operated by a bank and is in contrast to branch banking which was the traditional way customers accessed banking services.<\/p>\n

                                      Question 7.
                                      \nWhat is a e-learning?
                                      \nAnswer:
                                      \ne-Leaming are courses that are specifically delivered via the Internet to somewhere other than the classroom where the professor is teaching. It is not a course delivered via a DVD or CD-ROM, video tape or over a television channel. e-leaming is utilizing electronic technologies to access educational curriculum outside of a traditional classroom. It is a program delivered completely online.<\/p>\n

                                      E-leaming is interactive in that you can also communicate with teachers, professors or other students in a class. Sometimes it is delivered live, where you can \u201celectronically\u201d raise your hand and interact in real time and sometimes it is a lecture that is prerecorded. There is always a teacher\/professor interacting\/ communicating, grading participation, giving assignments and conducting tests.<\/p>\n

                                      \"SamacheerKalvi.Guru\"<\/p>\n

                                      Question 8.
                                      \nWhat is a Malicious spyware software?
                                      \nAnswer:
                                      \nMalicious spyware:
                                      \nMalicious spyware is used to describe the Trojan application that was created by cyber criminals to on their victims. An example would be key logger software that records a victim\u2019s every keystroke on his or her keyboard.<\/p>\n

                                      The recorded information is periodically sent back to the originating cyber criminal over the Internet. Key logging software is widely available and is marketed to parents or businesses that want to monitor their kid\u2019s or employee\u2019s Internet usage.<\/p>\n

                                      Question 9.
                                      \nWhat is a computer worm software?
                                      \nAnswer:
                                      \nA computer worm is a software program that can copy itself from one computer to another, without human interaction. Worms can replicate in great volume and with great speed. For example, a worm can send copies of itself to every contact in your email address book and then send itself to all the contacts in your contact\u2019s address books.<\/p>\n

                                      Because of their speed of infection, worms often gain notoriety overnight infecting computers across the globe as quickly as victims around the world and switch them on to open their e-mail.<\/p>\n

                                      \"SamacheerKalvi.Guru\"<\/p>\n

                                      Question 10.
                                      \nWhat are the familiar Internet Browsers?
                                      \nAnswer:
                                      \n(i) Google-Chrome:
                                      \nIt is a freeware familiar web browser developed by Google Inc, It is best for its speed, simplicity, security, privacy and customization features. Google Chrome supports on Android 4.0 or higher, iOS 6.0 or higher, Mac OSX 10.6 or higher and Windows (XP sp2 or higher) and Linux system.<\/p>\n

                                      (ii) Mozila Firefox:
                                      \nIt is a free and open source web browser developed by Mozilla Foundation and Mozilla Corporation. Firefox is default browser in Ubuntu. It supports Windows, Mac OS X, Linux and Android system.<\/p>\n

                                      (iii) Internet Explorer:
                                      \nIt is commonly known as Microsoft Internet Explorer or Windows Internet Explorer is the first or default browser for a Windows PC. It is developed by Microsoft.<\/p>\n

                                      (iv) Safari:
                                      \nIt is a web browser developed by Apple Inc. and comes with OS X and iOS. Some version of safari browser also supports in Windows Operating System. Exclusively used in Apple Mac system.<\/p>\n

                                      \"SamacheerKalvi.Guru\"<\/p>\n

                                      Question 11.
                                      \nWhat is the Internet of Things (loT)?
                                      \nAnswer:
                                      \nThe Internet of Things (IoT) is the network of physical devices, such as vehicles, home appliances, and other items embedded with electronics, software, sensors, actuators and connectivity which enables these things to connect and exchanges data creating opportunities for more direct integration of the physical world into computer – based systems, resulting in effficiency improvements, economic benefits, and reduced human exertions.<\/p>\n

                                      IV. Answer To The Following Questions<\/span><\/p>\n

                                      Question 1.
                                      \nWrite the any five Generic Domain Name?
                                      \nAnswer:
                                      \nGeneric Domain Name:<\/p>\n

                                        \n
                                      1. .com<\/li>\n
                                      2. .gov<\/li>\n
                                      3. \u00a0.org<\/li>\n
                                      4. .net<\/li>\n
                                      5. .edu<\/li>\n<\/ol>\n

                                        Description:<\/p>\n

                                          \n
                                        1. Commercial Organisation<\/li>\n
                                        2. Government institution<\/li>\n
                                        3. Non-profit Organisation<\/li>\n
                                        4. Network Support Group<\/li>\n
                                        5. Educational Institution<\/li>\n<\/ol>\n

                                          \"SamacheerKalvi.Guru\"<\/p>\n

                                          Question 2.
                                          \nWrite the steps of structure of e-mail?
                                          \nAnswer:
                                          \nClick the Compose button and then writing an e-mail contents.
                                          \nWhen sending an e-mail message, several fields are required to be filled:<\/p>\n

                                            \n
                                          • The To field is where you type the e-mail address of the person who is the recipient of your message.<\/li>\n
                                          • The From field should contain your e-mail address.<\/li>\n
                                          • If you are replying to a message, the To and From fields are automatically filled out; if it\u2019s a new message, you\u2019ll need to enter them manually.<\/li>\n
                                          • The Subject should consist of a few words describing the e-mail\u2019s contents. The Subject lets the recipient see what the e-mail is about, without opening and reading the full e-mail. This field is optional.<\/li>\n
                                          • The CC (Carbon Copy) field allows you to specify recipients who are not direct addresses (listed in the \u201cTo\u201d field). This field is optional.<\/li>\n
                                          • The BCC (Blind Carbon Copy) field is similar to CC, except the recipients are secret. Each BCC recipient will receive the e-mail, but will not see who else received a copy. The addresses (anyone listed in the \u201cTo\u201d field) remain visible to all recipients. This field is optional.<\/li>\n
                                          • Finally, the Message Body is the location you type your main message. It often contains your signature at the bottom; similar to a hand-written letter.<\/li>\n<\/ul>\n

                                            Question 3.
                                            \nWrite the any five points do’s and don’t of safe surfing on Internet?
                                            \nAnswer:
                                            \n(i) Don\u2019tgiveoutyourpersonal information:
                                            \nDon\u2019t put personal details such as your home address, telephone numbers or parent\u2019s work address online as cybercriminals can use this information to create a fake profile with your details.<\/p>\n

                                            (ii) What goes online, stays online:
                                            \nUse privacy settings to make sure only your friends and family can see photos you post. Avoid posting holiday plAnswer:as criminals have been known to track your movements.<\/p>\n

                                            (iii) Check your security and privacy settings:
                                            \nMake sure your social network privacy settings are secured so only your friends can see your personal information and use your privacy settings to restrict who can see your posts, videos and photos.<\/p>\n

                                            (iv) Password safety:
                                            \nSharing your password with your parents is a sensible idea, but avoid sharing your password with your friends, even if they promise they won\u2019t tell anyone! Also, when setting your password, make sure it isn\u2019t something people may guess such as your pet\u2019s name. Use a mixture of letters, numbers and upper and lower case characters.<\/p>\n

                                            (v) Always protect your mobile device:
                                            \nMake sure your mobile phone is pin-protected. So all your personal information stored on it is safe. Download a security app which allows you to remotely wipe any personal data, should your mobile be lost or stolen.<\/p>\n","protected":false},"excerpt":{"rendered":"

                                            Students can Download Computer Applications Chapter 9 Introduction to Internet and Email Questions and Answers, Notes Pdf, Samacheer Kalvi 11th Computer Applications Book Solutions Guide Pdf helps you to revise the complete Tamilnadu State Board New Syllabus and score more marks in your examinations. Tamilnadu Samacheer Kalvi 11th Computer Applications Solutions Chapter 9 Introduction to …<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":""},"categories":[7],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/samacheerkalviguru.com\/wp-json\/wp\/v2\/posts\/14722"}],"collection":[{"href":"https:\/\/samacheerkalviguru.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/samacheerkalviguru.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/samacheerkalviguru.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/samacheerkalviguru.com\/wp-json\/wp\/v2\/comments?post=14722"}],"version-history":[{"count":1,"href":"https:\/\/samacheerkalviguru.com\/wp-json\/wp\/v2\/posts\/14722\/revisions"}],"predecessor-version":[{"id":60581,"href":"https:\/\/samacheerkalviguru.com\/wp-json\/wp\/v2\/posts\/14722\/revisions\/60581"}],"wp:attachment":[{"href":"https:\/\/samacheerkalviguru.com\/wp-json\/wp\/v2\/media?parent=14722"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/samacheerkalviguru.com\/wp-json\/wp\/v2\/categories?post=14722"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/samacheerkalviguru.com\/wp-json\/wp\/v2\/tags?post=14722"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}