Semiconductor Electronics Materials Devices And Simple Circuits Ques 105

105. To get output 1 for the following circuit, the correct choice for the input is

[2016, 2012, 2010]

(a) $A=0, B=1, C=0$

(b) $A=1, B=0, C=0$

(c) $A=1, B=1, C=0$

(d) $A=1, B=0, C=1$

Show Answer

Answer:

Correct Answer: 105.(d)

Solution:

  1. (d) The Boolen expression for the given combination is output $Y=(A+B) \cdot C$

Truth table

$A$$B$$C$$Y=(A+B) \cdot C$
0000
1000
0100
0010
1100
0111
1011
1111
Hence, $A=1, B=0, C=1$


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