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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   #Leadership & 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?”

                      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

                       12   Premium Edition-III

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