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Digital Electronics

Digital Electronics
In flip flop clock is present but in latch clock is

  may be present/absent.
  none.
  absent always.
  present always.

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Digital Electronics
For a code to be self-complementing, the sum of all its weights must be

 9
 6
 10
 12

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

 01111100
 10111100
 00111100
 11000100

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

 code converter
 code decoder
 coder
 code encoder

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

 graph
 map
 diagram
 matrix

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Digital Electronics
A gate is enabled when its enable input is at logic 1. The gate is

 OR
 NOR
 none of these
 NAND

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