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Digital Electronics

Digital Electronics
The time required for a gate to change its output is called as

 start time
 propagation time
 run time
 Decay time

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

 Output is inverted
 Tristate
None of these
 Open collector output

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Digital Electronics
A switch-tail ring counter is made by using a single D-FF, the following circuit is

  S-R FF.
  D FF.
  T FF.
  J-K FF.

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Digital Electronics
A + Ā is equal to

 1
 Ā
 0
 A

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Digital Electronics
How many input and output required for demultiplexer ?

 one input and many output
None of these
 number of selection inputs and one output
 one input and one output

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 AND gates
 X-OR gates
 NAND gates
 NOR gates

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MORE MCQ ON Digital Electronics

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