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2                     Organisation - I/O Devices
                                                         Computer System














                     Let’s surf
                         IPO Cycle                                     IPO Devices
                         Input Devices                                 Processing Device
                         Output Devices                                Storage Devices


                  Let’s pLug-in                                                                    Experiential Learning


                    Number the correct steps (1, 2 and 3) to sharpen a pencil.





















                 We know that a computer is a man-made machine. Have you 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.
                 2.  The blender mixes all the things. This is the process.

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








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