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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.



                                                                                            Working of a Computer  21
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