Page 188 - FUNDAMENTALS OF COMPUTER
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                   188                         Fundamentals of Computers                           NPP


                      Convert AND into NAND:                      AND JoQ> H$mo NAND _| ~XbZo na…

                                          A
                                                                           A.B
                                          B


                      NOT is replaced by shorted NAND;            NOT JoQ> Ho$ ñWmZ na em°Q>}S> NAND bJmZo na

                                       A
                                                                               A.B
                                       B

                      Thus an  AND  can  be made  with two        AV… EH$  AND JoQ>  H$mo Xmo  NAND JoQ>m| H$s
                  NAND gates.                                 ghm`Vm go ~Zm`m Om gH$Vm h¡&
                       Problem 3.42                                àíZ 3.42
                      Draw AND using NOR.                         AND JoQ> H$mo NOR H$s ghm`Vm go ~ZmAmo…

                                                 A
                                                                         A.B
                                                 B

                      Convert AND into bubbled AND:               AND JoQ> H$mo ~~ëS> AND JoQ> _| ~XbZo na:

                                            A

                                                                          A.B
                                            B
                      Bubbled AND is a NOR Gate:                  ~~ëS> AND JoQ> Ho$ ñWmZ na NOR ~ZmZo na…


                        A                                  A

                                                    A.B                                      A.B
                        B                                  B


                       Problem 3.43                                àíZ 3.43
                      Draw OR Gate using NAND:                    OR JoQ> H$mo  NAND H$s ghm`Vm go ~ZmAmo…

                                             A


                                             B                            A + B
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