Q. 22 Let # be a binary operator defined as X # Y = X′ + Y′ where X and Y are Boolean variables. Consider the following two statements.
S1: (P # Q) # R = P # (Q # R) S2: Q # R = R # Q
Which of the following is/are true for the Boolean variables P, Q and R?
(A) Only S1 is True
(B) Only S2 is True
(C) Both S1 and S2 are True
(D) Neither S1 nor S2 are True
Answer: (B)
Explanation:
