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Keyboard

                  A keyboard is the  main input  device for
                  computers. You can press the keys on it to

                  input data in the form of words and numbers.


                                                                                            Keyboard
                                              Mouse


                                              It is a pointing device that allows you to put data into the
                                              computer  by  using the  point,  click and  drag and drop
                                              actions. It controls the movement of the pointer  on the
                                              screen. It is used to move and select icons, files and folders

                          Mouse               on your computer. It can also be used to draw pictures.

                  Scanner


                  Scanner is a device that helps to input printed pictures
                  and text into the computer by converting them into
                  digital form. Some popular types of scanners are:
                                                                                           Scanner
















                             Barcode Reader                   Flatbed Scanner                Sheetfed Scanner


                  Webcam


                  It is a digital video camera connected to a computer. It helps to put
                  your image into the computer.



                                                                                                           Webcam

                                                    Graphic Tablet


                                                    It allows to directly draw on a computer screen. The
                                                    device consists of a flat surface upon which you can
                                                    draw with an attached stylus that looks like a pen.
                           Graphic tablet

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