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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 1 of 10

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Q1.
The sampling process includes methods such as

a.

Filtering

b.

Sample and hold

c.

Amplifying

d.

None of the mentioned

Discuss
Answer: (b).Sample and hold
Q2.
The output of sampling process are called as ________

a.

Pulse code modulation

b.

Pulse amplitude modulation

c.

Frequency modulation

d.

Amplitude modulation

Discuss
Answer: (b).Pulse amplitude modulation
Q3.
According to Sampling theorem

a.

Ts is greater than 1/2fm

b.

Ts is lesser than 1/2fm

c.

Ts is equal to 1/2fm

d.

Ts is lesser than or equal to 1/2fm

Discuss
Answer: (d).Ts is lesser than or equal to 1/2fm
Q4.
The fourier tranform of one impulse train is also another impulse train with a period of the output equal to the

a.

Period of the input

b.

Reciprocal of the period of input signal

c.

Half the period of input

d.

Twice the period of the input

Discuss
Answer: (b).Reciprocal of the period of input signal
Q5.
The process in which the top of each pulse in the output samples retains the shape of the analog segment is called as ________

a.

Natural sampling

b.

Ideal sampling

c.

Aliasing

d.

None of the mentioned

Discuss
Answer: (a).Natural sampling
Q6.
The effects of aliasing are ________

a.

Attenuation of high frequency spectral replicates

b.

Non uniform spectral gain applied to desired baseband spectrum

c.

Attenuation and non uniform spectral gain

d.

None of the mentioned

Discuss
Answer: (c).Attenuation and non uniform spectral gain
Q7.
Aliasing can be removed using

a.

Prefiltering

b.

Postfiltering

c.

Prefiltering & Postfiltering

d.

None of the mentioned

Discuss
Answer: (c).Prefiltering & Postfiltering
Q8.
Which process is more economical?

a.

Undersampling

b.

Oversampling

c.

Aliasing

d.

None of the mentioned

Discuss
Answer: (b).Oversampling
Q9.
Flat top sampling or practical sampling has

a.

Same frequency

b.

Same amplitude

c.

Same time difference

d.

None of the mentioned

Discuss
Answer: (b).Same amplitude
Q10.
Multiplication of input signal with pulse train is done in ________ sampling.

a.

Impulse sampling

b.

Natural sampling

c.

Flat top sampling

d.

None of the mentioned

Discuss
Answer: (b).Natural sampling
Page 1 of 10

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