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Digital Electronics

Digital Electronics
What is the gray code for the binary 101011?

 011111
 111110
 101011
 110101

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Digital Electronics
In Boolean algebra A.A is equal to

 A
 A²
 2A
 1

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Digital Electronics
Why decoder is used in the digital electronics ?

 To convert non coded information into coded form
 To convert coded information into non coded form
 It is used to separate address bus and data bus
None of these

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Digital Electronics
The base of the number system for the addition operation 24 + 14 = 41 to be true is

 6
 8
 7
 5

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

  T FF.
  J-K FF.
  S-R FF.
  D FF.

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an OR gate?

 NOR
 NAND
 X-OR
 AND

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MORE MCQ ON Digital Electronics

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