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    Imagine, you have a magical input device that can take any object from the
                                       real world and put it into your computer. What would you put in, and what
                                       would you want the computer to do with it?

                     HOW COMPUTER WORKS?

                     A computer works in three steps:

                     1.  We give  values and instructions  to the computer. This is the
                       input.
                     2.  The computer then works on the instructions. This is the process.
                     3. Then, it gives us the result. This is the output.

                     For example,

                               5, 10, add                            5+10                                  15

                                 INPUT                             PROCESS                              OUTPUT
                     given through an input device       done by the processing device      displayed on the output device

                     A computer uses its input devices (such as keyboard and mouse), processing device (CPU)
                     and output devices (such as monitor and printer) to follow each stage of the IPO cycle.

                             Factbot

                       The letters, numbers, and symbols we give to the computer are called instructions.

                               Experiential Learning                                                            Activity

                        Go to the computer lab with your teacher. Identify the input devices, processing device
                        and output devices of the computer and write their names.

                               Interdisciplinary Learning                Activity
                                                                                           Just as bees collect nectar
                        Fill in the blanks.                                               to make honey, computers
                                                                                          gather information to help
                            INPUT           PROCESS           OUTPUT
                                                                                         us solve problems and learn
                        1.  6, 7, add       6 + 7             ____________                         new things.

                        2.   ____________   8 – 2                  6

                                                                                              Working of a Computer    23

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