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Digital Electronics

Digital Electronics
To add two m-bit numbers, the required number of half adder is

 2m-1
 2m-1
 2m
 2m+1

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Digital Electronics
Unit distance code is the other name of

 cyclic code
 self-complementing code
 XS-3 code
 sequential code

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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

 NAND
 AND
 NOR
 X-NOR

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Digital Electronics
When will be the output of an OR gate is LOW ?

 When any input is HIGH
 When all input is LOW
 When any input is LOW
 When all inputs are HIGH

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Digital Electronics
Extremely low power dissipation per gate can be gained from

 CMOS ICs
 TTL ICs
 MOS ICs
 ECL ICs

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Digital Electronics
8421 code is

 self-complementing code
 non-weighted code
 alphanumeric code
 weighted code

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MORE MCQ ON Digital Electronics

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