UGC NET CS 2009 Dec-Paper-2

October 10, 2023

UGC NET CS 2009 Dec-Paper-2

October 10, 2023

UGC NET CS 2009 Dec-Paper-2

October 10, 2023

UGC NET CS 2009 Dec-Paper-2

October 10, 2023

UGC NET CS 2009 Dec-Paper-2

Question 8
The highest noise margin is offered by
A
BICMOS
B
TTL
C
ECL
D
CMOS
Question 8 Explanation: 
Emitter Coupled Logic (ECL)
The storage time is eliminated as the transistors are used in difference amplifier mode and are never driven into saturation.
1. Fastest among all logic families
2. Lowest propagation delay.
Complementary metal oxide semiconductor(CMOS)
The power dissipation is usually 10nW per gate depending upon the power supply voltage, output load etc.
1. Lowest power dissipation
2. Excellent noise immunity
3. High packing density
4. Wide range of supply voltage
5. Highest fan out among all logic families
Correct Answer: B
Question 8 Explanation: 
Emitter Coupled Logic (ECL)
The storage time is eliminated as the transistors are used in difference amplifier mode and are never driven into saturation.
1. Fastest among all logic families
2. Lowest propagation delay.
Complementary metal oxide semiconductor(CMOS)
The power dissipation is usually 10nW per gate depending upon the power supply voltage, output load etc.
1. Lowest power dissipation
2. Excellent noise immunity
3. High packing density
4. Wide range of supply voltage
5. Highest fan out among all logic families

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