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Digital Electronics

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

  T FF.
  J-K FF.
  D FF.
  S-R FF.

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Digital Electronics
The momentary change in the output/state of the flip-flops is known as

 tri-state
 trigger
 unstable state
 inverter

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Digital Electronics
When an input signal 1 is applied to a NOT gate, the output is ___________.

1
None of these
Either 0 & 1

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Digital Electronics
A Nibble is equal to ________ bit(s)

 2
 1
 4
 8

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Digital Electronics
The following code is not a BCD code.

 Gray code
 XS-3 code
 all of these
 8421 code

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Digital Electronics
The fan put of a 7400 NAND gate is

5TTL
10TTL
8TTL
2TTL

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