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Digital Electronics

Digital Electronics
A single flip-flop can be cleared (reset) to

 None
 1
 Both A and B
 0

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Digital Electronics
X' AND X' will result

 X
 1
 X power 2
 0

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

None of these
 Tristate
 Open collector output
 Output is inverted

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Digital Electronics
A + Ā is equal to

 0
 A
 Ā
 1

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Digital Electronics
A D-flip-flop is said to be transparent when

 the output follows clock
 the output follow input
 the output is LOW
 the output is HIGH

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Digital Electronics
The output of a NOR gate is high

 only when all the inputs are high
 only when at least one input is high
 only when at least one input is low
 only when all the inputs are low

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MORE MCQ ON Digital Electronics

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