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Digital Electronics

Digital Electronics
A demultiplexer is a

 1-to-N device
 1-to-1 device
 N-to-1 device
 N-to-N device

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Digital Electronics
Which one of the following is 2’s complement of -68?

 11000100
 00111100
 10111100
 01111100

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Digital Electronics
A boolean function can be transformed into logical ________.

 graph
 diagram
 map
 matrix

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Digital Electronics
Which of the following is a self-complementing code?

 cyclic code
 Hamming code
 XS-3 code
 Gray code

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Digital Electronics
An EPROM is

 non erasable
 volatile
 programmable and erasable
 erasable but not programmable

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Digital Electronics
A digital voltmeter has a read out range from 0 to 999 counts, the resolution is

 1 V.
 1.1 V.
  1 mV.
 0.01 V.

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