Page 8 - TP-Play_V-2.0_Book-3
P. 8

Scanner

            A scanner inputs printed pictures and text into the computer
            by converting them into digital form.


                                Microphone

                                A Microphone is used to record voice, music and sound into the
                                computer system.





            Touchscreen

            A  touchscreen  is a  screen  sensitive to  touch,  used  to
            interact with a computer by touching various areas on the
            screen.



                                Webcam

                                A webcam is a digital video camera used to put your image into
                                the computer.



            Processing Device

            A computer converts the input into  meaningful information

            through the processing device. The CPU (Central Processing
            Unit) is a processor. It is the brain of a computer that does
            all the calculations, runs all the programs and manages all
            the operations. The CPU is a chip which is placed inside the
                                                                                           CPU
            CPU box.                                                                                 CPU box

            Output Devices

            A computer displays the result of the processed data through the output devices.
            Some of the output devices are monitor, printer, speakers, etc.
            Monitor


            A monitor, also called the Visual Display Unit (VDU), displays
            the output as softcopy (on its screen).


                                      Printer

                                      A printer prints the output on a paper which is called a hard

                                      copy.



              8       Play (Ver. 2.0)-III
   3   4   5   6   7   8   9   10   11   12   13