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    Just as ants build a colony
                      After calculating, we’ll find that the answer                  together, computers gather

                      is 15. Similarly, we give instructions to the                  information to help us solve
                      computer, and then the computer works                           problems and learn new

                      on the instructions and gives us the result.                               things.

                                IPO CYCLE

                      The working of a computer can be defined by three steps: input, process and
                      output.

                                      INPUT                      PROCESS                        OUTPUT

                         Input:  The information  or data  given  to  the computer  is  called  input.
                         A mouse is an example of an input device.

                         Process: The actions performed on the input to convert it into meaningful

                         information (output) is called processing. CPU is the brain of the computer.
                         It performs suitable actions on the input provided.

                         Output: The result of processing is called the output. The monitor shows the
                         result of the work done by the CPU. A monitor is an example of an output

                         device.

                              Input device                             Processing device                    Output device

                           Tick ( ) if you know this.

                           ▶  A computer works in three steps.

                           ▶  P in IPO stands for Process.

                       24   Computer Science-II

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