Electronic Devices Question 270
Question: A truth table is given below. Which of the following has this type of truth table [CBSE PMT 1996; UPSEAT 2002]
| A | 0 | 1 | 0 | 1 |
| B | 0 | 0 | 1 | 1 |
| y | 1 | 0 | 0 | 0 |
Options:
A) XOR gate
B) NOR gate
C) AND gate
D) OR gate
Show Answer
Answer:
Correct Answer: B
Solution:
In NOR gate $ Y=\overline{A+B} $ i.e.
$ \overline{0+0}=\overline{0}=1 $ , $ \overline{1+0}=\overline{1}=0 $
$ \overline{0+1}=\overline{1}=0 $ , $ \overline{1+1}=\overline{1}=0 $
