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Digital Electronics

Digital Electronics
The binary number designations of the rows and columns of the K-map are in

 binary code
 Gray code
 BCD code
 XS-3 code

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Digital Electronics
Why decoder is used in the digital electronics ?

 It is used to separate address bus and data bus
 To convert non coded information into coded form
None of these
 To convert coded information into non coded form

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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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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 1 and 3
 1 and 4
 0 and 4
 0 and 3

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

 42H
 48H
 50H
 08H

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Digital Electronics
Excess-3 code is known as

Algebraic code
Weighted code
Cyclic redundancy code
Self-complementing code

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MORE MCQ ON Digital Electronics

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