Page 17 - TP_Prime_v2.2_Class_3
P. 17

Touchscreen


                 A  touchscreen  is  used to  enter data  by  simply  touching  the

                 screen. In this, finger acts as a pointing device as the object on
                 the screen is pointed using finger.




                                      Microphone


                                    A microphone is an input device. It is used to record voice, music                      HARDWARE AND SOFTWARE
                                    and sounds. These can be stored on a computer.




                  Web Camera


                 A web camera is used to take pictures in  digital  form and  store                                       15

                 photographs in the computer. It is also known as webcam.



                                               Light Pen


                                             A light pen is used to point to display objects or draw on the
                                             screen in a way like a touch screen.




                           Fun       Laptops have in-built cameras, so webcams are used in Desktop
                         Fact!       systems.




                                 All these devices are listed in Input Devices but what about monitor,

                                 CPU and other devices we learned about in previous class?



                                I was about to tell you about the other devices which are very important

                                for the working of a computer.


                  Output Devices



                 The devices that show us the result of processing done by the CPU are called output
                 devices. The result can be in any of these forms: display on the monitor, print by the

                 printer and sound from the speakers.
   12   13   14   15   16   17   18   19   20   21   22