Logic gates

Discussion in 'Homework Help' started by ann, Feb 26, 2008.

  1. ann

    Thread Starter Member

    Feb 15, 2008
    14
    0
    I am doing my revision on logic gates and I have a question.

    1. Use demorgans theorem to reduce this equation use only or gates. You cannot use the xor function in your equation.

    /A/B/C+/AB/C+A/B/C+ABC

    Here is my answer, I just need some clarification.

    /a/c(/b+b)+a(/b/c+bc)

    /a/c+ab

    then using demorgans

    /(//a/+/c+/a+/b)

    = /(a+c)+(/a+/b)
     
  2. Dave

    Retired Moderator

    Nov 17, 2003
    6,960
    145
    Firstly, how have you come about this step?

    I am also not sure you have applied DeMorgan's correctly, but we can deal with that later.

    Dave
     
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