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Welcome to the Signal Formatting and Baseband Modulation MCQs Page

Dive deep into the fascinating world of Signal Formatting and Baseband Modulation with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Signal Formatting and Baseband Modulation, a crucial aspect of Digital Communication. In this section, you will encounter a diverse range of MCQs that cover various aspects of Signal Formatting and Baseband Modulation, 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 Signal Formatting and Baseband Modulation. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Digital Communication.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Signal Formatting and Baseband Modulation. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Signal Formatting and Baseband Modulation MCQs | Page 3 of 10

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Q21.
The ratio of average signal power and quantization noise is

a.

3L^2

b.

L^2/3

c.

2L^3

d.

L^3/2

Discuss
Answer: (a).3L^2
Q22.
The signals which are obtained by encoding each quantized signal into a digital word is called as

a.

PAM signal

b.

PCM signal

c.

FM signal

d.

Sampling and quantization

Discuss
Answer: (b).PCM signal
Q23.
The length of the code-word obtained by encoding quantized sample is equal to

a.

l=log(to the base 2)L

b.

l=log(to the base 10)L

c.

l=2log(to the base 2)L

d.

l=log(to the base 2)L/2

Discuss
Answer: (a).l=log(to the base 2)L
Q24.
Quantization noise can be reduced by ________ the number of levels.

a.

Decreasing

b.

Increasing

c.

Doubling

d.

Squaring

Discuss
Answer: (b).Increasing
Q25.
In PCM encoding, quantization level varies as a function of ________

a.

Frequency

b.

Amplitude

c.

Square of frequency

d.

Square of amplitude

Discuss
Answer: (b).Amplitude
Q26.
What is bit depth?

a.

Number of quantization level

b.

Interval between two quantization levels

c.

Number of possible digital values to represent each sample

d.

None of the mentioned

Discuss
Answer: (c).Number of possible digital values to represent each sample
Q27.
Choosing a discrete value that is near but not exactly at the analog signal level leads to

a.

PCM error

b.

Quantization error

c.

PAM error

d.

Sampling error

Discuss
Answer: (b).Quantization error
Q28.
In PCM the samples are dependent on ________

a.

Time

b.

Frequency

c.

Quanization leavel

d.

Interval between quantization level

Discuss
Answer: (a).Time
Q29.
DPCM encodes the PCM values based on

a.

Quantization level

b.

Difference between the current and predicted value

c.

Interval between levels

d.

None of the mentioned

Discuss
Answer: (b).Difference between the current and predicted value
Q30.
Delta modulation uses _____ bits per sample.

a.

One

b.

Two

c.

Four

d.

Eight

Discuss
Answer: (a).One
Page 3 of 10

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