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Digital Electronics

Digital Electronics
The code used for labeling the cells of a K-map is

 gray
 hexadecimal
 8-4-2-1 binary
 octal

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Digital Electronics
A gate is inhibited when its inhibit input is at logic 1. The gate is

 OR
 AND
 none of these
 NAND

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Digital Electronics
Which of the following logic circuits is the fastest ?

 TTL.
 All have same speed.
 DTL.
 RTL.

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

 2m-1
 2m
 2m-1
 2m+1

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Digital Electronics
In Boolean algebra, the bar sign (-) indicates ___________.

NOT operation
None of these
AND operation
OR operation

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Digital Electronics
In the boolean algebra, a variable has ________ different state(s)/value(s).

 3
 4
 1
 2

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