Digital Logic

1:

A positive AND gate is also a negative

A.

NAND gate

B.

NOR gate

C.

AND gate

D.

OR gate

 

Answer : D

Explanation :

Truth Table For AND 

0 0 => 0
0 1 => 0
1 0 => 0
1 1 => 1

Now invert all values (as if you place inverters on the two inputs and the one output):

1 1 => 1
1 0 => 1
0 1 => 1
0 0 => 0

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Option: A

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