Question

In the following circuit, what are P and Q?

• A. P = 0, Q = 1
• B. P = 0, Q = 0
• C. P = 1, Q = 1
• D. P = 1, Q = 0

Answer 1

Answer: (A)

For both NOR gates $y=\overline{A+B}$
$Forgate1,A=1\therefore p=0$
$Forgate2,B=0\therefore Q=1$