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Input and Output



                      Devices
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                         Learning Outcomes


                             IPO Devices                                        Input Devices


                             Processing Device                                  Output Devices

                             Storage Devices




                  i +  IPO DEVICES

                 A computer is made up of many parts. These parts are also known as IPO devices.



                  i +  INPUT DEVICES
                 The devices that are used to enter data into the computer and give orders are
                 called input devices. Some of the commonly used input devices are:


                 Keyboard

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

                                Mouse

                                A mouse is an input device that sends instructions to the computer
                                with the click of a button. It is used to draw pictures and for selecting

                   Mouse        objects on the computer.

                 Scanner

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





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                                                                                       Input and Output Devices
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