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    Tech Funda

                             The result we get on the monitor screen is called soft copy and the result

                             we get on paper is called hard copy.

                            SPEAKERS AND HEADPHONES

                      Speakers and headphones are the essential devices for listening to sound from a
                      computer.  Let us learn about them.

                      Speakers

                      Speakers are output devices that are used for listening to music,

                      voice and sound on a computer.

                                                                                                              Speakers
                                             Headphones

                                             Headphones are small speakers used to hear the sound without
                                             causing any disturbance to others.

                       Headphones

                            CD, DVD AND PEN DRIVE

                      CD, DVD and Pen Drive are the storage devices used to save and transfer data from
                      one device to another.  Let us learn about them.

                      Compact Disc (CD)

                      This disc is  circular  in shape. It is  a portable storage  device.

                      The storage capacity of a CD is less than a hard disk.
                                                                                                                   CD
                                         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.
                          DVD

                      Pen Drive

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

                                                                                                               Pen Drive
                     20     Premium Edition-II

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