Page 12 - ConceptGP_C3_Fb
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The Hardware devices are classified into four categories:

                                                             HARDWARE




                    Input Devices          Processing Device           Output Devices           Storage Devices



                  INPUT DEVICES

                  The hardware devices that are used to give inputs in the form of words, pictures,
                  sounds, etc., to a computer are called input devices. Some of the commonly used

                  input devices are:


                                 Invention of the Qwerty keyboard



                  Keyboard: A keyboard is an input device used to
                  give input  to  the computer  by  typing  numbers,
                  letters and special characters.

                                                                                                Keyboard


                            Mouse:  A  mouse  is an input  device.  We  can  send instructions  to  the
                            computer by clicking on its buttons. It is also used to select objects and
                            draw pictures on the screen.

                   Mouse

                  Joystick: A joystick is an input device used for playing games.


                                                                                                           Joystick
                                   Webcam: A webcam is an input device used to capture pictures or

                                   videos in digital form.

                    Webcam


                  Microphone: A microphone is an input device used to record voice,
                  music and other sounds on the computer.
                                                                                                         Microphone

                                       Light pen: A light pen is an input device used
                                       to point or draw on the screen.
                      Light Pen

                  Scanner: A scanner is an input device that reads text or images
                  and sends their copies to the computer.                                              Scanner



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