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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 12 of 15

Q111.
If operating frequency bands are higher ______ is available.
Discuss
Answer: (b).Larger bandwidth
Discuss
Answer: (c).Low & Medium frequency band
Discuss
Answer: (c).Continuous time signal to discrete & vice versa
Q114.
A signal can be recovered from its sample by using
Discuss
Answer: (a).Low pass filter
Discuss
Answer: (a).A train of pulses
Q116.
In flat top sampling scheme, ______ is kept constant after sampling.
Discuss
Answer: (a).Amplitude
Q117.
Loop filter is a ______ used to reduce noise.
Discuss
Answer: (a).Low pass filter
Discuss
Answer: (b).Infinite zero signal
Q119.
The power spectral density function of the stochastic process is
Discuss
Answer: (a).Real
Q120.
For a periodic function, the spectral density and auto correlation functions form
Discuss
Answer: (a).Fourier transform pair

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