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Digital Electronics

Digital Electronics
Excess-3 code is known as

Weighted code
Cyclic redundancy code
Algebraic code
Self-complementing code

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

 input
 triggering
 clearing
 output

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Digital Electronics
A gate is enabled when its enable input is at logic 1. The gate is

 NAND
 NOR
 OR
 none of these

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Digital Electronics
A full adder has

 2 inputs, 2 outputs
 3 inputs, 2 outputs
 2 inputs, 1 output
 3 inputs, 1 output

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Digital Electronics
Which one of the following is an invalid state in 8-4-2-1 binary coded decimal counter

 1100
 1001
 0011
 1000

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Digital Electronics
How many numbers are used in the decimal number system?

 1 to 10
 0 to 10
None of these
 0 to 9

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