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Projector

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

              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.

              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.



                                 CD and DVD

                                 The  CD  drive  reads  information  stored  on  a  Compact  Disc
                                 (CD). CD is an external storage device. DVD looks like a CD but
                                 can store more than it.



              Pen Drive

              Pen drive is a portable device and is easy to use. It has large storage capacity
              than DVD.


                                 Hard Disk

                                 The hard disk is permanently fixed in the system unit. It can store maximum
                                 data or work.









                       Double Tap                                                     21 st   #Critical Thinking
                                                                                   Century
                                                                                     Skills  #Information Literacy
                     Answer the following in one word:

                     1.  It is used to enter data by simply touching the screen.

                     2.   It displays data of computer screen on a large screen or surface
                        for audience.

                     3.  It is used to play games on a computer.






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