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Input and Output                                                       3



                                         Devices










                     Goal Glimpse

                         Input Devices
                         Output Devices

                         Storage Devices




                 A computer is made up of many parts. These parts can be categorised into three

                 groups:
                 1.  Input Devices                      Keyboard, Mouse, Scanner, etc.

                 2.  Output Devices                     Monitor, Printer, Speakers, etc.

                 3.  Storage Devices                    Hard Disk, Compact Disc, Pen Drive, etc.

                    INPUT DEVICES


                 The devices that are used to give commands or instructions to the computer or tell
                 the computer what to do are called input devices. Some of the input devices are:

                 Keyboard















                                                              Keyboard

                 A keyboard is an input device that is used to give instructions to the computer by
                 typing text, symbols and numbers. It has buttons called keys. A standard keyboard

                 has 104 keys.




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