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Digital Electronics

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

 256.
 16.
  255.
  8.

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Digital Electronics
A computer has a word length of 8 bits (including sign). It is required to determine the range of integers that can be stored in the computer. If 2’s complement is used to represent the numbers, then the range will be

 -256 to 256
 -128 to 127
 -256 to 255
 -128 to 128

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Digital Electronics
For the design of a combinational circuit with four inputs using only NAND gates, the number of K-maps required for the simplification process is

 2
 1
 0
 4

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Digital Electronics
The set of which logic gates is designated as universal gate?

 NOT, OR , AND.
 XNOR, NOR, NAND.
  NOR , NAND.
 XNOR, NOR, NAND.

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Digital Electronics
Unit distance code is the other name of

 cyclic code
 self-complementing code
 sequential code
 XS-3 code

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Digital Electronics
Master-slave flip flop consists of ________ flip-flop(s).

 1
 4
 3
 2

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