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Digital Electronics

Digital Electronics
Which of the following is known as a mod-2 adder?

 NAND gate
 X-NOR gate
 NOR gate
 X-OR gate

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Digital Electronics
Which of the following is a self-complementing code?

 XS-3 code
 cyclic code
 Hamming code
 Gray code

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Digital Electronics
10’s complement of 63325600 is

 36774400
 633256600
 36674400
 366744399

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

 X-NOR
 NOR
 AND
 NAND

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

NOT operation
OR operation
AND operation
None of these

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Digital Electronics
A bubbled NOR gate is equivalent to a

 AND gate
 NOR gate
 NAND gate
 X-OR gate

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