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Mouse

                  A mouse is an input device. It has two buttons and a scroll
                  wheel on it. It sends instructions to the computer with the

                  click of a button. It is used to draw pictures and for selecting
                  objects on the computer.                                                                  Mouse

                                                 Scanner

                                                 A scanner is an input device that is used to send documents
                                                 or images from paper to the computer. It works like a

                                                 photocopier machine.
                           Scanner



                  Microphone

                  A microphone is an input device that is used to record voice,

                  music and sounds. These can be stored on the computer.

                       OUTPUT DEVICES                                                                   Microphone


                  The devices through which we get the result or output after processing are called
                  output devices. Some of the output devices are:

                  Monitor

                  A monitor is an output device that looks like a television. It

                  is also known as the Visual Display Unit or VDU.
                  The front portion of the monitor is called the screen. The

                  monitor shows you the data that you input and its result
                  after the computer processes it.                                                      Monitor

                  Printer

                  A printer is an output device used to
                  print the result of the work done by

                  the computer on paper. Printer can be
                  used to take both black and white, and
                  coloured  printouts.  Following are  the
                                                                             Inkjet Printer           Laser Printer
                  types of printers:

                     Inkjet printer
                     Laser printer






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