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Computer—An


                            Electronic Device



                                                                                   Chapter
                                                                                   01





                         Your Aim

                         to learn about:
                           Working of Machines                       Working of a Computer
                           Advantages of a Computer                  Teaching & Learning Using Computers
                           Disadvantages of a Computer               Computer vs Human




                 In the previous class, we have learnt that a computer can perform a variety of tasks. It
                 works according to the commands or instructions given by us. Most of the machines
                 that we use in our daily life also work according to the commands given by us.

                      WORKING OF MACHINES


                 Look how these machines work.
                 Washing Machine:


                             Input                            Process                            Output











                        Dirty clothes                        Washing                         Clean clothes

                 Juicer:


                             Input                            Process                            Output











                         Fresh fruits                          Mixer                           Fresh juice



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