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Digital Electronics

Digital Electronics
Which of the following gate is a two-level logic gate

NOT gate
NAND gate
EXCLUSIVE OR gate
OR gate

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an OR gate?

 NAND
 NOR
 AND
 X-OR

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Digital Electronics
A Binary number system has how many digits.

 1
 2
 10
 0

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 1. The gate is either

 a NOR or an X-NOR
 a NAND or an X-NOR
 a NAND or an AND
 a NAND or an X-OR

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Digital Electronics
The state of a flip-flop can be switched by changing its ________ signals.

 clearing
 output
 triggering
 input

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Digital Electronics
Excess-3 code is known as

Cyclic redundancy code
Algebraic code
Self-complementing code
Weighted code

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