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2                           Working of a Computer

















                      Let’s surf
                           IPO Cycle                                    IPO Devices






                                                                                                21 st
                   Let’s PLug-in                                                             Century   #Critical Thinking
                                                                                               Skills
                     Arrange the steps to sharpen a pencil in correct order by writing 1, 2 & 3 in the
                     circles.

















                  We know that a computer is a human-made machine. Have you ever wondered how
                  a computer works? In this chapter, we are going to learn how a computer works.



                         IPO CYCLE


                  Have you seen your mother making mango shake for you? This is what she does
                  to make the mango shake.

                  1.   She puts the mango pieces, sugar and
                     milk in the blender. This is the input.                   Just as bees collect nectar to
                                                                             make honey, computers gather
                  2.   The blender mixes all the things. This is               information to help us solve

                     the process.                                            problems and learn new things.

                  3.   She pours the mango shake in the glass.
                     You can drink it now! This is the output.


                  20    Plus (Ver. 2.2)-II
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