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

 

Option: 1

A=0, B=1, C=0


Option: 2

A=1, B=0, C=0


Option: 3

A=1, B=1, C=0


Option: 4

A=1, B=0, C=1


Answers (1)

best_answer

OR gate -

The relation between input and output

    Y= A+B

- wherein

A and B are input

Y is out put

 

 

AND Gate -

Y= Acdot B

- wherein

A and B are input

Y is output

 

 Output of the given circuit is

Y = (A+B).C

From left side the first gate is OR gate and next one is AND gate. So the out put of OR gate is A+B and the output of AND gate Y=(A+B).C

We know that for AND gate the put will be 1 if both inputs are 1. So, A+B=1and C=1

In logic gate , 1+0=1 so A=1,B=0,C=1 will be the correct choice.

Posted by

Suraj Bhandari

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