Semiconductor Electronics Materials Devices and Simple Circuits - Result Question 99

101. The following Figure shows a logic gate circuit with two inputs $A$ and $B$ and the output $Y$. The voltage waveforms of $A, B$ and $Y$ are given :

The logic gate is :

(a) NAND gate

(b) NOR gate

(c) OR gate

(d) AND gate

[2010]

Show Answer

Answer:

Correct Answer: 101. (a)

Solution:

  1. (a) From the given waveforms, the truth table is as follows.

The above truth table is

for NAND gate.

Therefore, the logic gate is NAND gate.

$A$ $B$ $Y$
1 1 0
0 0 1
0 1 1
1 0 1