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4.    A computer ............................. is a program.


                      5.    ............................. is the look of the alphabet on the screen.

                      6.    WWW stands for ............................. wide web.


                 C.  Write ‘T’ for true and ‘F’ for false.

                      1.    Personal computer was developed by IBM in 1984.                              .....................

                      2.    Abacus is used to calculate numbers at low speed.                            .....................

                      3.    The red wavy lines indicate grammatical errors in the text.                  .....................

                      4.    The Italics makes the text slanting.                                         .....................
                      5.    You cannot send or receive e-mail messages on Internet.                      .....................


                                                           Section B



                 A.  Short answer type questions.

                      1.    Which generation computers used microprocessors?
                      2.        List out any three sources through which your computer can get infected

                            by a virus.

                      3.   How can you delete your text using Backspace key?
                      4.    What is a bullet?

                      5.    What is Internet?

                 B.  Long answer type questions.

                      1.    Write one difference between first and second-generation computers.

                      2.    Write any two harms caused by a computer virus.
                      3.    How will you prevent your computer from getting infected by a virus?
                            Write any two ways.

                      4.    How  can  you identify the spelling and  grammatical  mistakes  in your

                            document?
                      5.    Write steps to highlight the text.

                      6.    Write a short note on search engine.












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