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Math Help - Multiplexer question

  1. #1
    Member
    Joined
    Feb 2009
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    130

    Boolean reduction

    hi everyone,

    Want to find out how to reduce this equation to 3 inputs, A,B & D:

    ABCD + ABCD + ABCD+ ABCD+ ABCD+ ABCD+ ABCD+ ABCD = Z

    tq & rgds..
    Last edited by anderson; September 1st 2009 at 07:09 PM.
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  2. #2
    Member
    Joined
    Feb 2009
    Posts
    130
    Hi everyone,

    ABCD + ABCD + ABCD+ ABCD+ ABCD+ ABCD+ ABCD+ ABCD

    only managed to get this:

    ABD +C'+ ABD + C'+ ABD+C'+ ABD+C+ ABD+C+ ABD+C+ ABD+C'+ ABD+C

    =ABD+ABD+ABD+ABD+ ABD+C'+C'

    pls advise.....
    Last edited by anderson; September 1st 2009 at 07:18 PM.
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