Exam Questions Paper - ECE Questions and Answers

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Consider the circuit shown below of 2 : 1 MUX is given by the function g = ac + bc

Then f is :

X ⊕ Y

XY + EXY

XE + XY

none of these

Answer : Option B

Explanation :

Since g = ac + bc

i.e. when c = 0, g = b and c = 1, g = a

Now we evaluate

f = (E)(X) + (0)(X) = EX

f = (X)(Y) + (EX)(Y) = XY + EXY.

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