Page 20 - Computer - 1
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Keyboard


          ¾   It has many buttons known as ‘Keys’.

          ¾    When we press a key on the keyboard, the letter or
               digit we press is displayed on the monitor’s screen.                                Keyboard

          ¾   It is used for typing letters and numbers.

                                     Mouse

                                     ¾  It has two buttons and a scroll wheel in the centre.


                                     ¾   It is used to move the pointer on the computer screen.
                                     ¾   It is used to draw and colour pictures.

                                     ¾  It is used to select objects on the computer screen.
                 Mouse
                                     ¾  It should be used on a mouse pad.


          CPU (Central Processing Unit)

          ¾   It is known as the ‘Brain’ of a computer.

          ¾   It helps the computer to do calculations and perform tasks.

          ¾   It controls all parts of the computer.

          ¾   It is a chip installed inside the CPU box or cabinet.                                      CPU Box


                  Try This                                                                             Logical Thinking



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                                                                                             __ P __   B __ X








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                  K __ YB __ __ RD



          ADDITIONAL PARTS OF A COMPUTER

          Some parts are not necessary for a computer to function but can make the

          experience of using a computer better. Some of these parts are:



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