Electronic Devices Question 282
Question: Which logic gate is represented by the following combination of logic gates
[AIIMS 2004]
Options:
A) OR
B) NAND
C) AND
D) NOR
Show Answer
Answer:
Correct Answer: C
Solution:
$ Y=\overline{\bar{A}+\bar{B}} $ .
According to De morgan’s theorem $ Y=\overline{\bar{A}+\bar{B}}=\bar{\bar{A}}.\bar{\bar{B}}=A.B $ .
This is the output equation of AND gate.
