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>>Semiconductor Electronics: Materials, Devices and Simple Circuits
>>Logic Gates
>> $In the Boolean algebra: A + B is equal$

Question

In the Boolean algebra: $\overline{A + B}$ is equal to:

A

A + B

B

$\overset{ˉ}{\overset{ˉ}{A}}$ + $\overset{ˉ}{\overset{ˉ}{B}}$

C

$\overline{\overline{A . B}}$

D

$\overset{ˉ}{A}$ . $\overset{ˉ}{B}$

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Updated on : 2022-09-05

Solution

Verified by Toppr

Correct option is D)

Clearly, as shown in the truth table, $\overline{A + B} = \overset{ˉ}{A} . \overset{ˉ}{B}$

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