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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

  J-K FF.
  T FF.
  D FF.
  S-R FF.

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Digital Electronics
A read only memory in which the present contents must be erased before the new information can be stored is

 EAROM
All of these
 ROM
 PROM

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Digital Electronics
How many stable state/states present in flip-flop ?

 4
 2
 3
 1

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Digital Electronics
Latches are ________ circuits.

 pulse triggered
 level triggered
 count triggered
 edge triggered

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Digital Electronics
Boolean algebra is also known as

 Transistor algebra
 Counting algebra
 Switching algebra
 Gate algebra

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Digital Electronics
When will be the output of an OR gate is LOW ?

 When all inputs are HIGH
 When any input is LOW
 When any input is HIGH
 When all input is LOW

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