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.

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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Spread Spectrum Techniques

Q21.

The ratio of average signal power and quantization noise is

3L^2

L^2/3

2L^3

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

PAM signal

PCM signal

FM signal

Sampling and quantization

Discuss

Answer: (b).PCM signal

Q23.

The length of the code-word obtained by encoding quantized sample is equal to

l=log(to the base 2)L

l=log(to the base 10)L

l=2log(to the base 2)L

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.

Decreasing

Increasing

Doubling

Squaring

Discuss

Answer: (b).Increasing

Q25.

In PCM encoding, quantization level varies as a function of ________

Frequency

Amplitude

Square of frequency

Square of amplitude

Discuss

Answer: (b).Amplitude

Q26.

What is bit depth?

Number of quantization level

Interval between two quantization levels

Number of possible digital values to represent each sample

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

PCM error

Quantization error

PAM error

Sampling error

Discuss

Answer: (b).Quantization error

Q28.

In PCM the samples are dependent on ________

Time

Frequency

Quanization leavel

Interval between quantization level

Discuss

Answer: (a).Time

Q29.

DPCM encodes the PCM values based on

Quantization level

Difference between the current and predicted value

Interval between levels

None of the mentioned

Discuss

Answer: (b).Difference between the current and predicted value

Q30.

Delta modulation uses _____ bits per sample.

One

Two

Four

Eight

Discuss

Answer: (a).One

Page 3 of 10

Welcome to the Signal Formatting and Baseband Modulation MCQs Page

Signal Formatting and Baseband Modulation MCQs | Page 3 of 10

Explore more Topics under Digital Communication

Digital Communication Basics

Signals and Spectra

Baseband Demodulation and Detection

Channel Coding

Modulation and Coding Trade off

Multiplexing and Multiple Access

Spread Spectrum Techniques

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