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    Imagine, you have a magical input device that can take any object
                                       from the real world and put it into your computer. What would you
                                       put in and what would you want the computer to do with it?

                            Hashtag

                          #Booting: Process of starting a computer and making it ready for use

                          #Calculate: To find out something by using mathematics

                          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

                                                                                                 Operating a Computer  25

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