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CD and DVD

                 You must have seen these at your home or your school.
                 These are circular in shape and have a shiny surface. You

                 can store a lot of data in these. CD stands for
                 Compact Disc and DVD stands for Digital Versatile Disc.                      CD            DVD



                                      Pen Drive

                                      A pen drive has higher capacity than that of a CD or a DVD. It is
                                      so small that it can be carried around in the pocket.
                     Pen Drive
                 Memory Card

                 A memory card is also a storage device which is much smaller than a
                 pen drive or a CD. A memory card is used in a mobile phone, digital

                 camera or similar devices to increase their storage capacity.
                                                                                                       Memory card




                   Hard disk is another type of storage device which is fitted inside the
                   CPU box. It has the highest storage capacity.




                    Recap



                          Storage devices are used to store our work on a computer.
                          CD stands for Compact Disc and  DVD stands for Digital Versatile Disc.
                          A pen drive has higher capacity than that of a CD or a DVD.

                          A memory card is used inside a mobile phone, digital camera, etc.




                                                        Exercise




                 A.  Tick ( ) the correct option.

                      1.  Which of these is usually fixed inside a digital camera?


                          a.                                 b.                            c.







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