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Boolean relation at the output stage - Y for the following circuit is :  
Option: 1 \bar{A}+\bar{B}
Option: 2 A+B
Option: 3 A\cdot B  
Option: 4 \bar{A}\cdot \bar{B}
 

Answers (1)

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The first part of the given circuit represents or gate whose output is A+B

The second part of the circuit is NOT gate whose input is A+B and output is  \overline{A+B}=\bar A.\bar B

So the correct option is 4.

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vishal kumar

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