Question

XNOR can be simplified as
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Answer 1

Answer:

The simplified version is XOR(A,B)*XNOR(C,D) + XOR(C,D)*XNOR(A,B)

The actual expression is: (A'B + AB')(CD + C'D') + (AB + A'B')(C'D + CD')

According to my lab, this expression can be simplified, but I don't know where to start.

I guess you could look at each element, such as (A'B + AB') as a single variable, such as X and then the equation would be XY' + X'Y,

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