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Digital Electronics

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

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

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Digital Electronics
A combinational circuit can be designed using only

 OR and X-NOR gates
 NOR gates
 AND gates
 OR gates

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Digital Electronics
Why encoder is used in the digital electronics ?

None of these
 To convert non coded information into coded form
 To convert coded information into non coded form
 It is used to separate address bus and data bus

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Digital Electronics
An X-OR gate gives a high output

 if it has even number of 0s
 for odd decimal value.
 if there are odd number of 1s
 if the decimal value of digital word is even

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Digital Electronics
In flip flop clock is present but in latch clock is

  may be present/absent.
  none.
  present always.
  absent always.

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

 start time
 run time
 propagation time
 Decay time

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MORE MCQ ON Digital Electronics

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