Incorrect Boolean Algebra in vol 4

Discussion in 'Feedback and Suggestions' started by Unregistered, Dec 2, 2008.

  1. Unregistered

    Thread Starter Guest

    Hi,

    Have checked the boolean expression in vol 4.
    link: http://www.allaboutcircuits.com/vol_4/chpt_8/8.html

    The examples has the output of
    Out = (A+B+C+/D)(A+B+/C+D)(A+/B+C+/D)(A+/B+/C+D)(/A+/B+/C+D)(/A+B+C+/D)(/A+B+/C+D)

    but i think it should be like this.
    Out = (A+B+C+/D)(/A+B+/C+D)(A+/B+C+/D)(A+/B+/C+D)(/A+/B+/C+D)(/A+B+C+/D)(/A+B+/C+D)

    The 2nd expression should have A bar on the top.
    note: I used "/" as Bar on the top of the letter.
    If the expression is wrong then the computation should be changed.

    Thanks.
     
  2. Wendy

    Moderator

    Mar 24, 2008
    20,764
    2,534
    Those were the formulas to simplify, the starting condition. Why and how could the question be wrong? Are you disagreeing with the solution to the problem?

    I don't see it myself.
     
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