Semiconductor Electronics Materials Devices and Simple Circuits - Result Question 105

107. Which gate is represented by the following truth table?

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

[2001, 1998, 1994]

(a) XOR

(b) NOT

(c) NAND

(d) AND

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Solution:

  1. (c) $Y=\overline{A \cdot B}{ }^{\prime}$
$\mathbf{A}$ $\mathbf{B}$ $\mathbf{Y}$
0 0 1
0 1 1
1 0 1
1 1 0

Which is truth table of NAND gate.