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CHAPTER
            NUMBER SYSTEM                                                                              1






















                                                                       Topics Covered                      95%

                                                                          Data Representation
                         Hello, Shweta! Welcome to class VII.             Number Systems
                                                                          Conversion of Decimal to Binary
                                                                          Conversion of Binary to Decimal
                                                                          Operations on Binary Numbers





               Thank you, Techie! We missed you during the break. Now we are fresh and
               eager to begin the new session. What are we going to discuss today?







                           My dear Shweta, throughout your primary classes, your teachers have made you
                           count from 1 to 100, 101 to 200, and so on. This system of representing numbers
                           is  known as  the  decimal  number  system.  However, this  is  not  the  only  system
                           available to us. There are many more.








            That does sound interesting, Techie, but we are confused. Please tell me in detail.







                           Maintain  that curiosity,  kid!  You’ll find out  everything  in this chapter. Let’s get
                           started!






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