GATE Papers >> CSE >> 2007 >> Question No 33

Question No. 33 CSE | GATE 2007

Define the connective * for the Boolean variables X and Y as: X * Y = XY + X'Y'. Let Z =X *Y. Consider the following expressions P,Q and R.

P: X = Y *Z   Q: Y = X *Z   R: X *Y *Z = 1

Which of the following is TRUE?


Answer : (D) All P, Q, R are valid.


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