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Implement ABC'D' using only one 2-input nand gate and one 3-input nor gate

  1. Feb 24, 2012 #1
    1. The problem statement, all variables and given/known data

    How do I implement ABC'D' using only one 2-input nand gate and one 3-input nor gate?


    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Feb 24, 2012 #2

    LCKurtz

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    I assume you have A,B,C,D as inputs. My hint would be to start by writing it as$$
    \overline{(\bar A+\bar B)}(\bar C)(\bar D)$$
     
  4. Feb 26, 2012 #3
    Thks for your help LCKurtz,

    I am able to solve the problem after your advice...
     
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