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Boolean Expression to Logic Gates Diagram - Page 5

post #41 of 47
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i got the original the orignal equation by doing k-map to figure out the essential prime implicants. Since I can simplify my equation further does that mean that my essential prime implicants were wrong?
    
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post #42 of 47
Thread Starter 
For this BD + B’D’ + CD, BD and B'D' seem to cancel each other out. My book didn't cancel it out, why?
    
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post #43 of 47
Quote:
Originally Posted by Buster;12596982 
i got the original the orignal equation by doing k-map to figure out the essential prime implicants. Since I can simplify my equation further does that mean that my essential prime implicants were wrong?

show me your kmap, if that original is what you got from it you did it wrong
    
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post #44 of 47
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My color maybe confusing, but i have listed out the prime implicants and essentials.
    
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post #45 of 47
Thread Starter 
BTW, I have asked and check with a couple of people. A'BD + A'B'C + A'B'D' + B'CD' + B'D'E' cannot equal A' + A'B'C + B'CD' + B'D'E' in the first place. A'BD + A'B'D' doesn't equal A', told to me by a cs tutor.
    
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post #46 of 47
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I need to implement the following boolean func with a 4x1 multiplexer and external gates. f(a,b,c,d) = sigma(1,2,4,7,8,9,10,11,13,15). I don't know what the last expression is, please help! am I even on the right track?
    
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post #47 of 47
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nvm, I have figure it out.
    
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