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The real time variation of input signals...

The real time variation of input signals A and B are as shown below. If the inputs are fed into NAND gate, then select the output signal from the following :-

A

B

C

D

Text Solution

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The correct Answer is:
B
For NAND gate, the Boolean expression is `Y=bar(A.B)`
For the given imput singnals, the truth table for the output NAND gate is as shown in the table.
`|{:(A,B,Y),(0,0,1),(1,0,1),(0,0,1),(1,1,0),(0,0,1):}|`
The output signal is as shown at (b).
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