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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.




                      COMPUTER DEVICES


            The part of a computer that does a particular job is called a computer device.
            A computer consists of the following devices:

               Input devices                      Processing device                       Output devices

            INPUT DEVICES


            Input devices give instructions to the computer. Some input devices are:








                                                Keyboard             Mouse


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