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Digital Electronics

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

 NAND
 X-NOR
 NOR
 X-OR

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Digital Electronics
How many stable state/states present in flip-flop ?

 1
 2
 4
 3

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Digital Electronics
An any or all gate is the other name of

 AND gate
 OR gate
 X-NOR gate
 X-OR gate

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Digital Electronics
In which code do the successive code characters differ in only one position?

 Gray code
 Hamming code
 8421 code
 XS-3 code

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Digital Electronics
How many bits are required to store one BCD digit ?

 4
 3
 1
 2

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Digital Electronics
Why small bubble is given on the output of the NAND gate symbol ?

 Open collector output
 Output is inverted
None of these
 Tristate

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MORE MCQ ON Digital Electronics

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