Page 15 - Computer Genius Class 07
P. 15

is greater than    then 1 is  orro ed  rom the ne t position.  hen the  inary digit    orro s 1
                  rom the ne t most significant digit  it  ecomes 1 .

                                        X                    Y                      X – Y


                                                                                       1   1
                                                             1
                                                                          orro  1  so that 1    1   1
                                         1                                         1       1

                                         1                   1                     1   1
                 For e ample  let us su tract the  inary num er  111    rom  1     .
                                                                       2            2
                                                         1    1
                                                        1     1     1   _____
                                                                                orro
                                                    1
                                                         1    1     1
                                                                    1






                    odern day  inary num er system  as in ented  y  ott ried  e ini  in 1   .








                       Let's REFRESH


                         A num er system is a collection o  num ers used to descri e  arious  uantities.
                        The decimal num er system consists o  ten digits  rom   to  .
                        The  inary num er system consists o  t o digits  s and 1s.
                      The octal num er system is used as a shorthand representation o  long  inary num ers.

                        The he adecimal num er system consists o  1  digits  rom   to   and A to F.



                                                       exercise



                 A.  Tick ( ) the correct option.

                    1.    hich o  the  ollo ing is called the right most digit  e ore the  ractional point in the  inary num er
                        system

                          i    SD                                          ii    SD

                         iii    SD                                        i     one o  these



                                                                                            Number System      13
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