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    For example,

                                         INPUT                    PROCESS                     OUTPUT

                                          3, 6, +                    3 + 6                         9

                                                        Data                   Information

                            COMPUTER PARTS USED FOR IPO CYCLE

                      A computer works on the IPO cycle (Input-Process-Output).

                      Input

                      The data and instructions we give to the computer is called Input. The device that

                      is used to send input to a computer is an input device. Some of the input devices
                      are keyboard, mouse and scanner.

                                    Keyboard                                    Mouse                       Scanner

                      Process

                      The computer takes action on the data entered by the

                      user. It converts the data into meaningful information
                      with  the  help  of  the  processor  which  is the  CPU
                      (Central Processing Unit). This conversion of data into
                      information is called processing.

                      CPU is also  called  the  brain  of  the  computer.  It  has               CPU
                      three parts:
                                                                                                             CPU box
                                                             Central Processing Unit

                                                              Arithmetic Logic Unit

                                                                  Control Unit
                               Input Devices                                                       Output Devices

                                                                 Memory Unit

                     8      Premium Edition-III

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