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Digital Electronics

Digital Electronics
An EPROM is

 erasable but not programmable
 non erasable
 volatile
 programmable and erasable

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Digital Electronics
Which one of the following is an invalid state in 8-4-2-1 binary coded decimal counter

 1100
 1000
 0011
 1001

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Digital Electronics
Temperature variation is a/an

 None
 Either Digital or Analog quantity
 Analog quantity
 Digital quantity

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Digital Electronics
A D-flip-flop is said to be transparent when

 the output follow input
 the output follows clock
 the output is LOW
 the output is HIGH

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

 16.
  255.
 256.
  8.

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Digital Electronics
A device which converts 2421 code into 8421code is called a

 code decoder
 code encoder
 coder
 code converter

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