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    I am trying to figure out where i have made a mistake with my boolean expression's, i have created a mock up below:

    Anyone Help?


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    (Original post by cameronpwj)
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    I'm not familiar with the bar over the Q convention. Is that rather than just have it over the whole expression on the right of the "="?

    Both your "or" gates look wrong to me. The top one should be \overline{Q}=A I believe, with your notation.
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    (Original post by cameronpwj)
    I am trying to figure out where i have made a mistake with my boolean expression's, i have created a mock up below:

    Anyone Help?


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    You made mistake with your notation
    For A, B input with OR gate Q=A+B
    but with NOR gate \bar Q =NOT(A+B)=\bar A \cdot \bar B
    similar for NAND gate and NOT gate
    But I think the final A+B.C right
 
 
 
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Updated: April 4, 2013
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