DSP MCQ Quiz Questions PDF Download

Digital Signal Processing MCQ Test and Online Quiz | DSP MCQ Quiz Questions PDF| Digital Signal Processing Important MCQ

DSP MCQ Questions: DSP is used primarily in areas of the audio signal, speech processing, RADAR, seismology, audio, SONAR, voice recognition, and some financial signals. For example, Digital Signal Processing is used for speech compression for mobile phones, as well as speech transmission for mobile phones. DSP full form is Digital Signal Processing. Candidate to become a signal engineer, you will need to qualification in electrical, electronics, computer systems, telecommunications etc. Applicants need to improve skills in C, C++, Mat lab programming and python etc. No one would expect you know everything in this field. Keep practice these DSP object questions regularly it is easy to understand. Here, we have provided 30 DSP MCQ Questions and answer/Digital Signal Processing MCQ free pdf link. Candidate  download the PDF link and note the questions, before enter the interview practice the questions. This is the great way to improve your knowledge.

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Read the DSP Multiple Choice Questions & Answer

1._____________ mainly used for periodic signals.

  1. Fourier transform
  2. Fourier series
  3. All of above
  4. None of above

Answer: Fourier series

2. The scaling operations is also called as _______

  1. Down-sampling
  2. Up-sampling
  3. sampling
  4. None

Answer: Down-sampling

3. __________ are the applications of analog filters.

  1. Sampling systems
  2. Audio equipment
  3. Telephone systems
  4. All of above

Answer: All of above

4. The analog signals are categorized into __________

  1. one
  2. two
  3. three
  4. four

Answer: two

5.DFT is applied to_______

  1. Continuous infinite signal
  2. Infinite sequences
  3. Continuous finite sequence
  4. Finite discrete sequence

Answer: Finite discrete sequence

6. The signal processing can be used in __________

  1. Speech and audio processing
  2. Image and video processing
  3. Military and space applications
  4. All of above

Answer: All of above

7. Telegraphs signals are example of _____________

  1. Impulse signals
  2. Analog signals
  3. Digital signals
  4. None

Answer: Digital signals

8. Which is the physical device that performs an operations on the signals?

  1. Signal source
  2. Medium
  3. System
  4. None

Answer: System

9. Which control is not typical on a compressor?

  1. Release
  2. Threshold
  3. Attack
  4. Frequency

Answer: Frequency

10. Digital filters are ____________

  1. Highly expensive
  2. Programmable
  3. Consumer very less power
  4. None

Answer: Programmable

11. Data communication system within a building or campus is____________

  1. LAN
  2. MAN
  3. WAN
  4. PAN

Answer: LAN

12. DTFT is the representation of__________

  1. Aperiodic Discrete time signal
  2. Aperiodic continuous signal
  3. Periodic Discrete time signal
  4. Periodic continuous signal

Answer: Aperiodic Discrete time signal

13. Which type of equalizer divides the frequency spectrum into several narrow bands?

  1. parametric
  2. graphic
  3. graphic and parametric
  4. None

Answer: graphic

14. The algorithm used for the computation of DFT based on the decomposition of N-point DFT is known as_____________

  1. Phase algorithm
  2. Overlap save
  3. Divide and Conquer
  4. None

Answer: Divide and Conquer

15. Telegraph signals are examples of____________

  1. Impulse signal
  2. Digital signal
  3. Analog signal
  4. Pulse train

Answer: Digital signal

16. Which of the following is not related to dynamic level processing?

  1. limiter
  2. gate
  3. flanger
  4. expander

Answer: flanger

17. The system that accepts the input in the discrete form and produces the discrete time output is known as__________

  1. LTI system
  2. Discrete time system
  3. Linear system
  4. All of the above

Answer: Discrete time system

18. Technology’s goal is to_______________

  1. make us sleepy
  2. give us cool inventions
  3. improve the way people live
  4. take all of our time away

Answer: improve the way people live

19. The system given by y(n) = x(n) + 1/x(n – 1) is

  1. Linear
  2. Causal
  3. All of above
  4. None of above

Answer: Causal

20. The circular convolution of two sequences in time domain is equivalent to________________

  1. Difference of DFTs of two sequence
  2. Multiplication of DFTs of two sequence
  3. Square of multiplication of DFTs of two sequence
  4. Summation of DFTs of two sequence

Answer: Multiplication of DFTs of two sequence

21. What does the “Q” of a filter refer to__________

  1. bandwidth
  2. resonance
  3. resonance and bandwidth
  4. None

Answer: bandwidth

22. The addition of zeroes at the end of the sequence when it is represented as the power of integer is refer as_________

  1. Zero padding
  2. Bilateral transform
  3. Region of Convergence
  4. None

Answer: Zero padding

23. A compressor is_________

  1. a gain control
  2. an automatic fader
  3. a device that can reduce the dynamic range of program material
  4. All of above

Answer: All of above

24. Which of the following is not a type of discrete system?

  1. Non-causal system
  2. Dynamic system
  3. Non-dynamic systems
  4. Recursive system

Answer: Non-dynamic systems

25. Fiber-optic cables are better than copper cables because____________

  1. they carry about a thousand times more information per second
  2. they take up less space
  3. they carry less information
  4. they take up more space

Answer: they carry about a thousand times more information per second

26. Frequency selectivity characteristics of DFT refers to_______________

  1. Ability to translate into frequency domain
  2. Ability to convert into discrete signal
  3. Ability to resolve different frequency components from input signal
  4. None

Answer: Ability to resolve different frequency components from input signal

27. The similarity between the Fourier transform and the z transform is that______________

  1. Both convert discrete time domain to frequency spectrum domain
  2. Both convert digital signal to analog signal
  3. Both convert frequency spectrum domain to discrete time domain
  4. Both convert analog signal to digital signal

Answer: Both convert discrete time domain to frequency spectrum domain

28.Which of the following is the characteristic of the power signal?

  1. Aperiodic signals are power signal
  2. Power signal is infinite
  3. Power signals are time-limited
  4. None

Answer:  Power signal is infinite.

29. One-sided Z-transform is also known as_____________

  1. Trilateral Z-transform
  2. Bilateral Z-transform
  3. Unilateral Z-transform
  4. None of the above

Answer: Unilateral Z-transform

30. The interface between an analog signal and a digital processor is_________-

  1. A/D converter
  2. D/A converter
  3. Demodulator
  4. Modulator

Answer: A/D converter

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