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Digital Electronics

Digital Electronics
The NAND gate is AND gate followed by ___________.

None of these
NOT gate
OR gate
AND gate

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

None of these
AND operation
NOT operation
OR operation

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Digital Electronics
Consider the operation 24+17 = 40 .What is the correct base of number so that operation is correct?

 10
 13
 11
 12

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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 ?

None of these
 G = Ā
 A= G
 G = A

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Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 X-OR
 X-NOR
 NOR
 NAND

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Digital Electronics
A device which converts BCD into octal is called

 decoder
 code converter
 demultiplexer
 encoder

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