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Digital Electronics

Digital Electronics
For a code to be self-complementing, the sum of all its weights must be

 6
 12
 10
 9

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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
When will be the output of a NOT gate is HIGH ?

 the input is HIGH
None of these
 the input is HIGH and LOW
 the input is LOW

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Digital Electronics
(44)8 in BCD 8421 code is

 01100011
 00110110
 00100100
 01000100

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Digital Electronics
The number of comparators in a parallel conversion type 8-bit analog to digital converter is

  255.
 16.
  8.
 256.

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Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 X-OR
 X-NOR
 NAND
 NOR

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MORE MCQ ON Digital Electronics

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