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The following configuration of gate is e...

The following configuration of gate is equivalent to :

A

NAND

B

XOR

C

OR

D

NOR

Text Solution

Verified by Experts

The correct Answer is:
B
Output of OR gate = A + B
Output of NAND gate = `bar(A.B)`
`:.` Output Y from AND gate ` = (A+B) .bar(A.B)`
`=(A+B) .(bar(A)+barB)`
`= AbarA+BbarB+AbarB+BbarA`
`=0+0+AbarB+BbarA`
`=AbarB+BbarA`
This is expression of XOR gate.
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