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                       A computer cannot work on its own. It needs instructions to perform a
                     task.




                  i +   DIFFERENCE BETWEEN COMPUTERS AND MACHINES

                 Computers and machines are human-made things.

                 Other machines can do only one type of work. But a computer can do the task of
                 many machines together.
                 For example-










                                 Music                                                          Calculator











                           Camera                                                                Video Game















                                  Watch                                                          Television


                    Info Byte




                       An abacus is also a machine. It has colourful beads which are
                     used for counting.












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                                                                                         Computer—A Machine
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