MCQOPTIONS

Explore topic-wise MCQs in Vlsi.

This section includes 24 Mcqs, each offering curated multiple-choice questions to sharpen your Vlsi knowledge and support exam preparation. Choose a topic below to get started.

1.	IR drops brings ______ in noise margin.
A.	increase
B.	decrease
C.	does not affect
D.	stabilisation
Answer» C. does not affect

2.	Line impedance is given by
A.	(L/C)2
B.	(C/L)2
C.	(L/C)1/2
D.	(C/L)1/2
Answer» D. (C/L)1/2

3.	During relaxation effect, electron flow occurs in
A.	short pulses
B.	at steady state level
C.	large pulses
D.	very large pulses
Answer» B. at steady state level

4.	At narrowing or constriction point current density is ________
A.	minimum
B.	maximum
C.	remains low after going to high point
D.	becomes high from low
Answer» C. remains low after going to high point

5.	If the current density exceeds a threshold value then metal atoms moves in
A.	direction of the current
B.	opposite direction of the current
C.	doesnt depend on direction of current
D.	direction of the voltage
Answer» B. opposite direction of the current

6.	Features which does not affect bus design are ________
A.	cross-talk
B.	delay factors
C.	non delay factors
D.	cross talk and delay factors
Answer» D. cross talk and delay factors

7.	Low L:W ratio results in ____ transistors.
A.	smaller
B.	bigger
C.	size doesnt depend on ratio
D.	less effective
Answer» C. size doesnt depend on ratio

8.	The bus rail in active bus has ________
A.	NAND connection
B.	AND connection
C.	NOR connection
D.	OR connection
Answer» D. OR connection

9.	Bus has _______ different classes.
A.	two
B.	three
C.	four
D.	five
Answer» C. four

10.	Bus structures carry ____________
A.	data signals
B.	control signals
C.	data and control signals
D.	in and out signals
Answer» D. in and out signals

11.	Clock line drivers has ____________ source of drive.
A.	one
B.	two
C.	three
D.	none
Answer» B. two

12.	AT_NARROWING_OR_CONSTRICTION_POINT_CURRENT_DENSITY_IS?$
A.	minimum
B.	maximum
C.	remains low after going to high point
D.	becomes high from low
Answer» C. remains low after going to high point

13.	Line impedance is given by$
A.	(L/C)<sup>2</sup>
B.	(C/L)<sup>2 </sup>
C.	(L/C)<sup>1/2</sup>
D.	(C/L)<sup>1/2</sup>
Answer» D. (C/L)<sup>1/2</sup>

14.	During relaxation effect, electron flow occurs in$
A.	short pulses
B.	at steady state level
C.	large pulses
D.	very large pulses
Answer» B. at steady state level

15.	IR drops brings ______ in noise margin
A.	increase
B.	decrease
C.	does not affect
D.	stabilisation
Answer» C. does not affect

16.	If the current density exceeds a threshold value then metal atoms moves i?
A.	direction of the current
B.	opposite direction of the current
C.	doesnt depend on direction of current
D.	direction of the voltage
Answer» B. opposite direction of the current

17.	Which device is frequency dependent?
A.	nMOS
B.	CMOS
C.	BiCMOS
D.	pMOS
Answer» C. BiCMOS

18.	Features which does not affect bus design are
A.	cross-talk
B.	delay factors
C.	non delay factors
D.	cross talk and delay factors
Answer» D. cross talk and delay factors

19.	Low L:W ratio results in ____ transistors
A.	smaller
B.	bigger
C.	size doesnt depend on ratio
D.	less effective
Answer» C. size doesnt depend on ratio

20.	The bus rail in active bus has
A.	NAND connection
B.	AND connection
C.	NOR connection
D.	OR connection
Answer» D. OR connection

21.	In passive bus, drivers are connected through
A.	series switches
B.	parallel switches
C.	cascade switches
D.	wires
Answer» B. parallel switches

22.	Bus has ___ different classes
A.	two
B.	three
C.	four
D.	five
Answer» C. four

23.	Bus structures carry
A.	data signals
B.	control signals
C.	data and control signals
D.	in and out signals
Answer» D. in and out signals

24.	Clock line drivers has ____ source of drive
A.	one
B.	two
C.	three
D.	none
Answer» B. two