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Digital Electronics

Digital Electronics
In which code do the successive code characters differ in only one position?

 Hamming code
 Gray code
 XS-3 code
 8421 code

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Digital Electronics
Which is the correct order of sequence for representing the input values in K-map?

(00, 01, 11, 10)
(00, 10, 01, 11)
(00, 01, 10, 11)
(00, 10, 11, 01)

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Digital Electronics
The fast logic family is

  TTL.
  DRL.
  TRL.
  ECL.

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Digital Electronics
AND operation is equivalant to

 Division
 Union
 Intersection
 Both B and C

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Digital Electronics
While using a frequency counter for measuring frequency, two modes of measurement are possible. 1. Period time 2. Frequency mode There is a ‘cross-over frequency’ below which the period mode is preferred. Assuming the crystal oscillator frequency to be 4Mhz the crossover frequency is given by

 8 Mhz
 2 Khz
 1 Khz
 2 Mhz

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Digital Electronics
One bit full adder has ________ inputs

 4
 3
 2
 any number

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