Semiconductor Electronics Materials Devices and Simple Circuits - Result Question 91

93. The given electrical network is equivalent to:

[2017,2006, 2000]

(a) OR gate

(b) NOR gate

(c) NOT gate

(d) AND gate

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Answer:

Correct Answer: 93. (b)

Solution:

  1. (b)

$Y_1=\overline{A+B}$

$Y_2=\overline{Y_1+Y_1}=\overline{Y}_1=A+B$

$Y=\overline{Y}_2=\overline{A+B}$ i.e. NOR gate