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Exercise



                  A.  Tick ( ) the correct option.

                      1.  Which of the following is an example of system software?


                          a.  Paint                      b.  MS Word                       c.  Windows 10

                      2.  The working of a computer is based on the ............................ cycle.

                          a.  IPU                        b.  IPO                           c.  IOP

                      3.  Which of these displays the output from the computer screen on a larger screen?


                          a.  Projector                  b.  Speakers                      c.  Printer

                      4.  Which of the following is an input device?

                          a.  Scanner                    b.  Printer                       c.  Pen drive


                  B.  Fill in the blanks using the words given below:


                                                 CPU, Microphone, Input devices, Monitor



                      1.  .................................... is used to record voice and music into a computer system.

                      2.  .................................... is known as the brain of computer.

                      3.  .................................... shows us the result after processing.


                      4.  A computer accepts data and instructions from you through ................................... .

                  C.  Look at the pictures and write their names.

                      1.                        2.                     3.                      4.








                          .......................  ........................  ........................  ........................

                  D.  Fill in the boxes.


                                   INPUT                                                          OUTPUT

                                 20, 25, +                        20 + 25





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