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Chapter Profile  Chapter Profile
                  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

                                            A  mouse is a pointing  device  that allows  you  to put  data into  a
                                            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 on your computer. It can
                          Mouse             also be used to draw pictures.



                  Scanner

                  A 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

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



                                                                                                            Webcam


                                                    Graphic Tablet

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



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