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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.
  255.
  8.
 16.

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Digital Electronics
An EPROM is

 erasable but not programmable
 non erasable
 programmable and erasable
 volatile

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Digital Electronics
The X-OR and X-NOR gates can have how many inputs?

 4
 any number
 1
 2

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Digital Electronics
A NAND gate is called a universal logic element because

It is used by everybody
Any logic function can be realized by NAND gates alone
Many digital computers use NAND gates.
All the minization techniques are applicable for optimum NAND gate realization

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Digital Electronics
When will be the output of an AND gate is LOW ?

 When all input is LOW
 When any input is HIGH
 When any input is LOW
 When all inputs are HIGH

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Digital Electronics
A sequence of binary digits is known as

 word string
 bit string
 byte string
 input string

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MORE MCQ ON Digital Electronics

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