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Digital Electronics

Digital Electronics
In digital systems, 1 byte is equal to ________ bit(s).

 2
 8
 4
 1

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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

 2 Khz
 8 Mhz
 2 Mhz
 1 Khz

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Digital Electronics
Minimization of logical expressions while designing digital systems helps in reducing

 cost
 power requirements
All of these
 space requirements

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

 12
 9
 6
 10

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Digital Electronics
The decimal equivalent of hexadecimal number “BEED” is

 48,777
 none
 47,877
 48,877

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Digital Electronics
The fast logic family is

  ECL.
  DRL.
  TRL.
  TTL.

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