Q2

MCQ1 mark, −0.33

Let $\#$ be the binary operator defined as $X\#Y = X'+Y'$ where $X$ and $Y$ are Boolean variables. Consider the following two statements. $(S_1)$ $(P\#Q)\#R = P\#(Q\#R)$ $(S_2)$ $Q\#R = (R\#Q)$ Which are the following is/are true for the Boolean variables $P, Q$ and $R$ ?

(A)

Only $S_1$ is true

(B)

Only $S_2$ is true

(C)

Both $S_1$ and $S_2$ are true

(D)

Neither $S_1$ nor $S_2$ are true

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