# Multirate Signal Processing MCQ’s

This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Multirate Signal Processing”.

1. Which of the following is the disadvantage of sampling rate conversion by converting the signal into analog signal?
a) Signal distortion
b) Quantization effects
c) New sampling rate can be arbitrarily selected
d) Signal distortion & Quantization effects

2. If Fx and Fy are the sampling rates of the input and output signals respectively, then what is the value of Fy/Fx?
a) D/I
b) I/D
c) I.D
d) None of the mentioned

3. What is the process of increasing the sampling rate by factor I?
a) Sampling rate conversion
b) Interpolation
c) Decimation
d) None of the mentioned

4. Which of the following is the advantage of sampling rate conversion by converting the signal into an analog signal?
a) Less signal distortion
b) Quantization effects
c) New sampling rate can be arbitrarily selected
d) None of the mentioned

5. There is no requirement to process the various signals at different rates commensurate with the corresponding bandwidths of the signals.
a) True
b) False

6. In which of the following, sampling rate conversion are used?
a) Narrow band filters
b) Digital filter banks
d) All of the mentioned

7. Which of the following methods are used in sampling rate conversion of a digital signal?
a) D/A convertor and A/D convertor
b) Performing entirely in digital domain
c) None of the mentioned
d) D/A convertor, A/D convertor & Performing entirely in digital domain

8. The sampling rate conversion can be as shown in the figure below.

a) True
b) False

9. What is the process of reducing the sampling rate by a factor D?
a) Sampling rate conversion
b) Interpolation
c) Decimation
d) None of the mentioned

10. Which of the following use quadrature mirror filters?
a) Sub band coding
b) Trans-multiplexer
c) Sub band coding & Trans-multiplexer
d) None of the mentioned

11. The systems that employ multiple sampling rates are called multi-rate DSP systems.
a) True
b) False

12. What is the process of converting a signal from a given rate to a different rate?
a) Sampling
b) Normalizing
c) Sampling rate conversion
d) None of the mentioned 5 Star
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