Page 10 - Modular_v4.0
P. 10

Chapter Profile
                  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 the 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 the
                  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 box/cabinet.                               CPU
                                                                                                           CPU box/
                  Output Devices                                                                            cabinet

                  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.






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