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In the circuit shown in the following fi...

In the circuit shown in the following figure, the value of Y is

A

0

B

1

C

fluctuates between O and 1

D

indeterminate as the circuit cannot be realized

Text Solution

Verified by Experts

The correct Answer is:
A
Lower NOT gate inverts input to zero. NOT gate from NAND gate inverts this output to 1 and upper NAND gate converts this input 1 and input Oto 1.
Thus A = 1 and B = 1 become inputs of NAND gate giving final output as zero. Choice A is correct.
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