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Digital Electronics

Digital Electronics
Fastest memory element is

 ROM
 Cache
 RAM
 Hard Drive

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Digital Electronics
The output of a gate is LOW if and only if all its inputs are HIGH. It is true for

 AND
 NOR
 X-NOR
 NAND

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

 10001110
 10110000
 01001111
 01010000

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Digital Electronics
Which of the following is a self-complementing code?

 XS-3 code
 Gray code
 Hamming code
 cyclic code

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Digital Electronics
The most suitable gate to check whether the number of 1s in a digital word is even or odd is

 X-OR
 NOR
 NAND
 AND, OR, and NOT

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Digital Electronics
AND operation of (79)10 & (-56)10 is

 50H
 08H
 48H
 42H

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MORE MCQ ON Digital Electronics

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