Page 35 - Viva ICSE Computer Studies 2 : E-book
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Microphone


                                       •  A microphone helps us to record sounds or our voice in a
                                           computer.

                                       •  It is used to talk to friends or relatives using the Internet.


                                            Learn More


                                       Some other input devices are webcam, scanner and joystick.



                    Output Devices


                    The devices that display the result of the input after it has been processed are
                    called output devices. Some commonly used output devices are described
                    here.


                    Monitor


                    •  A monitor is one of the most familiar output devices.
                       It looks like a TV screen.

                    •  It shows the work done by us on the screen.

                    •  It also displays the results after the processing of

                       input.


                                                 Printer

                                                 •  A printer allows us to print our work on paper.

                                                 •  We can take both black and white and coloured

                                                    printout.

                                                 •  Hard copy is the printed information on a paper.

                                Learn More

                           Dot matrix, ink jet and laser printers are the popular printers used nowadays.



                    Speakers


                    Speakers are used to listen to the audio output in the

                    form of music or any other kind of sound of a computer.


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