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Headphones

                  Headphones are small speakers used to hear the sound without disturbing others.




                                                           Tech Fact


                     Headset is a combination of headphones and a microphone. It is both an
                     input and output device.






                         STORAGE DEVICES


                  Other than input devices, processing devices and output devices, a computer also uses storage
                  devices. The storage devices are used to store our work. Some of the storage devices are:



                       Hard Disk
                  Hard disk is fixed inside the CPU box. It can store the files that we
                  create on computer and can be used later.


                                             Compact Disc (CD)

                                        This disc is circular in shape. It is a small storage device. The storage capacity
                                        of a CD is less than the hard disk.



                       Digital Versatile Disc (DVD)
                  It is used to store a huge amount of data. The storage capacity of a DVD is
                  more than a CD.


                                              Pen Drive

                                        It is also known as USB Flash drive. It is a very small storage device. The
                                        storage capacity of a pen drive is more than a DVD but less than a hard disk.




                                                              Tech Fact


                      To use a pen drive: insert pen drive into USB port present                        USB
                      in CPU.                                                                           Port






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