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Exam Questions Papers - Engineering

Q1:

Let f(A, B) = A ⊕ B; then the simplified form of the function f(f(x ⊕ y, z)w) is

A (x ⊕ y ⊕ z)w

B x ⊕ y ⊕ z ⊕ w

C (x ⊕ y ⊕ z) + w

D none of these

ANS:D - none of these

f(A, B) = A ⊕ B f(x ⊕ y, z) = (x ⊕ y ⊕ z) = M But f(MW) is undefined.