Electronics and Communication Engineering - Exam Questions Papers - Discussion

Discussion Forum : Exam Questions Papers - Exam Paper 3 (Q.No. 12)
12.
Let f(A, B) = A ⊕ B; then the simplified form of the function f(f(x ⊕ y, z)w) is
(x ⊕ y ⊕ z)w
x ⊕ y ⊕ z ⊕ w
(x ⊕ y ⊕ z) + w
none of these
Answer: Option
Explanation:

f(A, B) = A ⊕ B

f(x ⊕ y, z) = (x ⊕ y ⊕ z) = M

But f(MW) is undefined.

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