Page 80 - IT 402 v2.0 class 10
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.   xplain how  ro an  orse works.                                                            N

             .   hy does a computer need maintenance
             .   ist the various ways you can use to protect your data.                                   N
             .   hat is spam   ow is it harmful

              .  xplain the various ways of protecting a computer against virus.  lso  name some of the popular antivirus
              software.
              .  hat do you mean by  isk  efragmentation                                    S  Sample  aper

        B.  Application based questions:                                                       L if e   S k il l s   &   V al ue s
             .   shmita s computer is not able to start as it cannot boot operating system from the hard disk.  elp her identify
              the type of program which may not be working properly.
             .  Niharika wants to install free antivirus software to protect her system from virus attacks.  ut she does not know
              any free antivirus. Suggest her any one good antivirus software that is available free to use.


        Previous Years’ Questions



            .  ............................... are computer programs that can damage the data and software programs or steal the information
              stored on a computer.
                a   Spam                                    b    iruses
                c    unk mail                               d    IOS
          ns.   b
             .  ................................ is a hori ontal bar present at bottom of the  indows   desktop.
                a   Status  ar                              b   Menu  ar
                c    ask  ar                                d    ecycle  in
          ns.   c

             .   ifferentiate between files and folders.

         Ans.     Factor                        File                                    Folder
                xtension     Files may or may not have extensions.      Folders do not have extensions.
                                                                           folder  can  contain  any  number  of  file
                ontainer       file cannot contain another file folder.
                                                                        folders.
                                                                          folder has no si e of its own. It derives the
               Memory si e     file has certain si e and memory consumption.
                                                                        si e from the files it contains.
                             Name    xtension    ate    ime    ength  and  Name    ate    ime  and   rotection    ead-
                ttributes
                              rotection   ead-Only  hidden etc.         Only  hidden etc.
               Supported     Open  save  rename  print  email and modify file
                                                                        Move  rename  delete and share.
               operations    content.
               Sharing       Files cannot be shared on network on their own. Folders can be shared on network.

             .  Neha is receiving several mails from companies who are advertising a product or trying to attract her to their
              websites. Such type of mails are called         .
                a    dvertising mails                       b    ulk mails
                c   Spam mails                              d    abelled mails

          ns.   a


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