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i +  WORKING OF A COMPUTER
                  Understand this example,


                              Input                            Process                            Output

                             2, 3, +                            2 + 3                                 5

                           Numbers,                           Addition                             Result

                           Instruction

                  Computers work on the Input-Process-Output cycle, also known as the IPO cycle.



                                    INPUT                     PROCESS                      OUTPUT



                  You have seen that a computer works on the principle of Input, Process and Output.
                  Let us learn more about these in detail.


                  Input

                  Input  is giving instructions to  the  computer  in the  form  of  numbers,  letters  or
                  symbols. We give input to a computer through input devices. Keyboard and mouse
                  are examples of input devices.












                                                          Keyboard                           Mouse


                  Process
                  After receiving the input, the computer performs action on it with the help of the

                  Central Processing Unit (CPU). It is known as the brain of the computer. It performs
                  all the calculations.















                                                   CPU Box                    CPU



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