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Digital Electronics

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

 code decoder
 code encoder
 coder
 code converter

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Digital Electronics
In which of the following base systems is 123 not a valid number?

Base 3
Base 16
Base 10
Base 8

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Digital Electronics
AND operation is equivalant to

 Intersection
 Division
 Both B and C
 Union

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Digital Electronics
A switch-tail ring counter is made by using a single D-FF, the following circuit is

  S-R FF.
  T FF.
  D FF.
  J-K FF.

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Digital Electronics
In binary number system the first digit (bit) from right to left is called as

 Last Bit
 LSB, Least Significant Bit
 MSB, Most Significant Bit
 First Bit

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Digital Electronics
The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

 AND
 NAND
 NOR
 OR

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