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Headphones

                  Headphones are used to listen to music and sound without disturbing

                  others as they are worn by an individual. But wearing them for a long
                  time can affect your hearing power and cause damage to your ears.
                  Printer
                                                                                                       Headphones
                  A printer is used to print the result of the work done by the computer
                  on a paper. We can print documents, drawings, images, etc. in black & white as well as in
                  coloured form using a printer. There are two types of printers.



                                        Laser Printer


                                        A laser printer uses a laser beam to print a hard copy.


                     Laser Printer
                  Inkjet Printer


                  An inkjet printer sprays ink on the paper to print a hard copy.


                                            Plotter                                                    Inkjet Printer

                                            A plotter is used to print big sketches, diagrams and maps on
                                            long sheets of paper.  They are used by engineers, architects,

                                            scientists and designers.
                          Plotter
                  Projector

                  A projector projects or displays data of the computer screen on a
                  large screen or surface for the audience.

                                                                                                      Projector
                                          Smartboard


                                          A  smartboard is used in classrooms as a teaching  tool. It is an
                                          interactive  board  that displays information with the help of a
                                          projector.
                      Smartboard
                  Storage Devices


                  The  devices that  are  used to  store  data  are  called  Storage devices.  There  are  many
                  storage devices to store our data or work, so that we can get it back whenever we need
                  it. Let us discuss about some of the commonly used storage devices.



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