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Digital Electronics

Digital Electronics
The output of a gate is HIGH when at least one of its inputs is LOW. It is true for

 OR
 NAND
 X-OR
 NOR

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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.
  J-K FF.
  T FF.
  D FF.

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Digital Electronics
A 15-bit Hamming code requires

 4 parity bits
 15 parity bits
 5 parity bits
 none of these.

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

 run time
 propagation time
 start time
 Decay time

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Digital Electronics
In which of the following base systems is 123 not a valid number?

Base 8
Base 10
Base 3
Base 16

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Digital Electronics
In the toggle mode a JK flip-flop has

 J = 1, K = 0.
 J = 1, K = 1.
 J = 0, K = 0.
 J = 0, K = 1.

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