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Welcome to the Signals and Spectra MCQs Page

Dive deep into the fascinating world of Signals and Spectra with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Signals and Spectra, a crucial aspect of Digital Communication. In this section, you will encounter a diverse range of MCQs that cover various aspects of Signals and Spectra, 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 Signals and Spectra. 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 Signals and Spectra. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Signals and Spectra MCQs | Page 8 of 15

Q71.
Which occurs due to equilibrium fluctuations?
Discuss
Answer: (c).Thermal & Johnson noise
Q72.
Flicker noise is called as
Discuss
Answer: (b).Pink noise
Q73.
Which has the same power spectral density?
Discuss
Answer: (a).White noise
Q74.
Which noise is useful for dithering?
Discuss
Answer: (c).Brown noise
Discuss
Answer: (c).Increasing channel bandwidth &signal power
Q76.
Capacity of the channel can be increased by reducing in band noise power.
Discuss
Answer: (a).True
Discuss
Answer: (a).Infinite energy
Discuss
Answer: (b).Power signal
Q79.
Thermal noise is a wide sense stationary process.
Discuss
Answer: (a).True
Q80.
The maximum likelihood function is
Discuss
Answer: (a).Positive

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