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Printer: A printer is an output device used to print text or pictures. There are three
            types of printers: Dot matrix printer, Inkjet printer and Laser printer.












                   Dot-Matrix                             Inkjet                                Laser


                                                                 21 st
                                                               Century   #Responsibility
                                                                 Skills
                              “Take a printout only if it is necessary. By doing
                              this, you can save trees. Ask your teacher, how
                              can it be done?”
                                                                      - Mr. Techie



            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., on 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


             12   Pro (Ver. 5.0)-III
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