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    REVISIT

                         ▶  To start a computer means to switch it on.
                         ▶  The screen that appears after we switch on the computer is called the desktop.

                         ▶  There are many icons on the desktop.
                         ▶  Shutting down a computer means switching it off.

                         ▶  A computer works in three steps: input, process and output.
                         ▶   Input devices give instructions to the computer.

                         ▶   Processing device works on input.
                         ▶  Output devices show the result of all the work done on the input.

                                                         ASSESS YOURSELF

                      1.  Tick ( ) the correct option.

                          a.  Identify the first step to turn on a computer.

                               (i)  Turn on the monitor                      (ii)  Press the power button

                             (iii)  Activate the UPS                         (iv)  Switch on the CPU

                          b.  What do we call the small pictures on the desktop screen?

                               (i)  Icons                                    (ii)  Taskbar

                             (iii)  Buttons                                  (iv)  Menus

                          c.  Which of the following is NOT a control button in the Paint window?

                               (i)  Minimize                                 (ii)  Maximize/Restore

                             (iii)  Close                                    (iv)  Open

                         d.  Which part of the IPO cycle is used to give instructions to the computer?

                               (i)  Input                                    (ii)  Process

                             (iii)  Output                                   (iv)  CPU

                       26   Premium Edition-II

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