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    3.7 OUTPUT DEVICES
                     These devices are used to transfer data out of the computer in the form of text,
                     images, sounds, or other media.

                     Some of the output devices are:

                     3.7.1 Speaker                                                   3.7.2 Printer

                                          Fig. 3.8                                            Fig. 3.9
                              It is used for sound output                                It is used to take

                                      from computer                                  printout from computer

                     3.7.3 Monitor
                       It displays whatever you type or draw.

                                                                   Fig. 3.10

                         Aryan: OK, now I understood about Peripherals. But why are there so many keys on a keyboard,
                         what is their use?

                         Gowri: OK, now I will tell you about the functions of these keys.

                                                                   Desktop and Computer Peripherals                     31

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