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nandmore about nand

nand

 

  1  definition  found 
 
  From  The  Free  On-line  Dictionary  of  Computing  (13  Mar  01)  [foldoc]: 
 
  NAND 
 
  Not  AND 
 
  The  {Boolean}  function  which  is  true  unless  both  its  arguments 
  are  true,  the  {logical  complement}  of  {AND}: 
 
  A  NAND  B  =  NOT  (A  AND  B)  =  (NOT  A)  OR  (NOT  B) 
 
  Its  {truth  table}  is: 
 
  A  |  B  |  A  NAND  B 
  --+---+--------- 
  F  |  F  |  T 
  F  |  T  |  T 
  T  |  F  |  T 
  T  |  T  |  F 
 
  NAND,  like  {NOR},  forms  a  complete  set  of  {Boolean}  functions 
  on  its  own  since  it  can  be  used  to  make  NOT  AND  OR  and  any 
  other  Boolean  function: 
 
  NOT  A  =  A  NAND  A 
 
  A  AND  B  =  NOT  (A  NAND  B) 
 
  A  OR  B  =  (NOT  A)  NAND  (NOT  B) 
 
  (1995-01-24)




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