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Digital Electronics

Digital Electronics
A flip flop is a _______ circuit.

 Combinational
 Both A and B
 Sequential
 None

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 1 and 4
 1 and 3
 0 and 4
 0 and 3

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to negative logic system.

 –1.5 V and – 0.5 V
 0 V and 5 V
 5 V and 0 V
 1 V and 5 V

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Digital Electronics
The code used for labeling the cells of a K-map is

 gray
 8-4-2-1 binary
 hexadecimal
 octal

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Digital Electronics
The fast logic family is

  ECL.
  TTL.
  DRL.
  TRL.

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Digital Electronics
Truth table is used to express

 Boolean matrix
 Boolean expression
 Boolean map
 Boolean addition

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MORE MCQ ON Digital Electronics

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