Page 240 - FUNDAMENTALS OF COMPUTER
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                   240                         Fundamentals of Computers                           NPP


                      First draw the logic  circuit using Basic   gd©àW_ _yb^yV JoQ>m| H$s ghm`Vm go Vm{H©$H$ n[anW
                      Gates:
                                                                  ~ZmAm|:
                                            A     B     C
                                                             C





                                          C                                   F





                      Now, convert OR into NOR so that AND        àË`oH$ OR H$mo NOR _| ~XbZo Ho$ {bE EH$-EH$
                  will be converted into bubbled AND.         ~~b AmCQ>nwQ> na bJmAmoŸ& gmW hr AND Ho$ àË`oH$
                                                              BZnwQ> na ^r EH$-EH$ ~~b bJmAmoŸ&

                                           A     B     C
                                                            C






                                                                             F




                      NOT, is equivalent to shorted NOR and       NOT JoQ> Ho$ ñWmZ na em°Q>}S> NOR VWm ~~ëS>
                  Bubbled AND is equivalent to NOR.           AND Ho$ ñWmZ na ^r NOR aIZo na…


                                             A     B     C
                                                              C






                                                                               F




                      (b) The given expression is:                (b)   {X`m J`m ì`§OH$ h¡:

                                            F =  (A+ B+  C ) (A.  +  B+ C ) (A.  +  B+  C )
                      It contains three Maxterms. Therefore the   Cnamoº$ ì`§OH$ _| VrZ _oŠñQ>_© h¡ & AV… VrZ 0
                  K-map will contain three 0’s.               VWm AÝ` ñWmZm| na 1 {bIZo na:
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