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Welcome to the Modulation and Coding Trade off MCQs Page

Dive deep into the fascinating world of Modulation and Coding Trade off with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Modulation and Coding Trade off, a crucial aspect of Digital Communication. In this section, you will encounter a diverse range of MCQs that cover various aspects of Modulation and Coding Trade off, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Digital Communication.

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Check out the MCQs below to embark on an enriching journey through Modulation and Coding Trade off. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Digital Communication.

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Modulation and Coding Trade off MCQs | Page 1 of 13

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Q1.
QPSK is a composite of

a.

Two BPSK

b.

Three BPSK

c.

Two FSK

d.

Two M-ary PSK

Discuss
Answer: (a).Two BPSK
Q2.
The IF transmission bandwidth of MFSK is

a.

M/T

b.

T/M

c.

2M/T

d.

M/2

Discuss
Answer: (a).M/T
Q3.
The bandwidth efficiency of MFSK is

a.

M/log2M

b.

log2M/M

c.

M/log10M

d.

log10M/M

Discuss
Answer: (b).log2M/M
Q4.
The bandwidth efficiency increases as M increases.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (b).False
Q5.
The bandwidth efficiency of QFSK is _______ that of BFSK.

a.

Greater than

b.

Less than

c.

Equal to

d.

None of the mentioned

Discuss
Answer: (c).Equal to
Q6.
Which modulation is the most efficient one?

a.

BPSK

b.

BFSK

c.

QPSK

d.

QAM

Discuss
Answer: (d).QAM
Q7.
The primary communication resource is

a.

Transmitted power

b.

Received power

c.

Efficiency

d.

None of the mentioned

Discuss
Answer: (a).Transmitted power
Q8.
Greater the redundancy lesser is the bandwidth expansion.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (b).False
Q9.
Which modulation scheme uses nonlinear transponders?

a.

MSK

b.

Offset QPSK

c.

MSK & Offset QPSK

d.

None of the mentioned

Discuss
Answer: (c).MSK & Offset QPSK
Q10.
Which modulation requires more bandwidth?

a.

QPSK

b.

OQPSK

c.

BPSK

d.

BFSK

Discuss
Answer: (c).BPSK
Page 1 of 13

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