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Digital Electronics

Digital Electronics
Excess-3 code is known as

Algebraic code
Cyclic redundancy code
Self-complementing code
Weighted code

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NOR gate?

 OR
 X-NOR
 NAND
 AND

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

 12
 10
 9
 6

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 25, 9 and 57 respectively
 -6, -6 and -6 respectively
 -7, -7 and -7 respectively
 -25, -9 and -57 respectively

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Digital Electronics
What is the 2’s complement of 10110000?

 01001111
 01010000
 10001110
 10110000

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

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

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