Q.

In the following digital circuit, what will be the output at ‘Z’, when the input (A, B) are (1, 0), (0, 0), (1, 1), (0, 1):

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a

1,1,0,1

b

1,0,1,1

c

0,1,0,0

d

0,0,1,0

answer is A.

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Detailed Solution

The truth table for the given circuit will be 

ABW=A.BX=A+BY=W.XZ=W+Y
101100
001000
110101
011110
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