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Digital Electronics

Digital Electronics
Which of these circuits have higher gate complexity 1. Carry look ahead adder 2. Ripple carry adder

 both have same
 none
 1
 2

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Digital Electronics
The address bus with a ROM of size 1024 × 8 bits is

 8 bits
 12 bits
 10 bits
 16 bits

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

 50H
 42H
 08H
 48H

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Digital Electronics
Choose the option which is not a code conversion standard

 BCD code
 Excess-3 code
 Truth code
 Gray code

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Digital Electronics
The time required for a gate to change its output is called as

 Decay time
 run time
 propagation time
 start time

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Digital Electronics
How many input and output required for demultiplexer ?

 number of selection inputs and one output
 one input and one output
 one input and many output
None of these

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