GRE Computer Science Question 10
10. Consider the following truth table and implementation.
Truth Table
P Q R X Y
0 0 0 1 0
0 0 1 1 0
0 1 0 0 1
0 1 1 0 0
1 0 0 0 0
1 0 1 0 0
1 1 0 0 1
1 1 1 0 0
Possibly Faulty Implementation
Which of the following statements is (are) true about the circuit shown?
I. The line labeled S is correct.
II. The line labeled T is correct.
III. The line labeled U is correct.
(A) None (B) I only (C) II only (D) III only (E) I, II, and III
