Semiconductor Electronics Materials Devices and Simple Circuits - Result Question 110

112. The following truth table corresponds to the logic gate

[1991]

A B X
0 0 0
0 1 1
1 0 1
1 1 1

(a) NAND

(b) OR

(c) AND

(d) XOR

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Answer:

Correct Answer: 112. (b)

Solution:

  1. (b) This truth table is of identity, $X=A+B$, hence OR gate.


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