Q. 7 The output Y in the circuit below is always ‘1’ when
(A) two or more of the inputs P, Q, R are ‘0’
(B) two or more of the inputs P, Q, R are ‘1’
(C) any odd number of the inputs P, Q, R is ‘0’
(D) any odd number of the inputs P, Q, R is ‘1’
Answer: B
Explanation:
