Page 14 - KEC Khaitan C3 Flipbook
P. 14

Monitor: A  monitor  is  an output  device  used  to  display information  processed
                  by  the computer.  Whatever  you  type  on the  keyboard  is  seen  on the  monitor.

                  The monitor is also known as Visual Display Unit or VDU. There are different types
                  of monitors:











                                  CRT                             LCD                         Touchscreen


                                 Speakers: Speakers are the output devices used to play music, voice
                                 and sounds stored in a computer. It gives an output in the form of a

                                 sound.
                   Speakers
                  Projector:  A  projector is  an output  device  used  to  display

                  videos, pictures, documents, etc., from a computer screen to
                  a large screen.
                                                                                                      Projector



                                             Plotter: A plotter is a type of printer that draws high-quality
                                             images  on a  very large  sheet  of  paper.  They  are  used  by

                                             engineers, architects, scientists and designers.

                            Plotter

                  STORAGE DEVICES

                  The devices that are used to store data or information are called storage devices.

                  We can store songs, pictures, games, videos and many other forms of data on them.
                  The most commonly used storage devices are:

                  Hard disk: A hard disk is the main storage device fixed inside
                  the CPU box. It stores the  largest amount of data as compared

                  to other storage devices.
                                                                                                     Hard disk


                                  Compact Disc or CD: A compact disc or CD is a flat, circular piece of
                                  plastic with a shiny surface on one side. It stores less amount of data.


                        CD



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