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Digital Electronics

Digital Electronics
In Boolean algebra, the bar sign (-) indicates ___________.

None of these
OR operation
AND operation
NOT operation

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an OR gate?

 NAND
 NOR
 AND
 X-NOR

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Digital Electronics
An AND gate will function as OR if

All the inputs and outputs are complemente'
All the inputs are ‘0’
Either of the inputs is “1”
All the inputs to the gates are “1”

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Digital Electronics
Logic circuits are

 analog circuits
 digital circuits
 none of these
 hybrid circuits

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Digital Electronics
What will be the Boolean expression for an inverter logic gate, where input is A and output is G ?

 A= G
 G = A
None of these
 G = Ā

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Digital Electronics
Excess-3 code is known as

Algebraic code
Weighted code
Self-complementing code
Cyclic redundancy code

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