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Digital Electronics

Digital Electronics
Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

TTLAS
ECL
CMOS
TTLLS

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

  J-K FF.
  D FF.
  T FF.
  S-R FF.

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Digital Electronics
A digital circuit that can store on bit is a

 flip-flop
 XOR gate
 registor
 gate

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Digital Electronics
When will be the output of an exclusive-OR gate is HIGH ?

 The inputs are different
 All inputs are HIGH
 All inputs are LOW
 The inputs are equal

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Digital Electronics
A half adder has

 1 input and 2 outputs
 1 input and 1 output
 2 inputs and 1 outputs
 2 inputs and 2 output

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Digital Electronics
If 4 input MUXes drive a 4 input multiplexer, it results a

 6 input MUX
 4 input MUX
 8 input MUX
 16 input MUX

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MORE MCQ ON Digital Electronics

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