Explore topic-wise MCQs in Digital Signal Processing.

This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Signal Processing knowledge and support exam preparation. Choose a topic below to get started.

1.

The low pass, high pass, band pass and band stop filters can be designed by applying a specific transformation to a normalized low pass filter.

A. True
B. False
Answer» B. False
2.

What is the cutoff frequency of a normalized filter?

A. 2 rad/sec
B. 1 rad/sec
C. 0.5 rad/sec
D. None of the mentioned
Answer» C. 0.5 rad/sec
3.

What is the stop band gain of a low pass filter with δS as the pass band attenuation?

A. -20log(1- δS)
B. -20log(δS)
C. 20log(δS)
D. 20log(1- δS)
Answer» D. 20log(1- δS)
4.

What is the pass band gain of a low pass filter with 1- δP as the pass band attenuation?

A. -20log(1- δP)
B. -20log(δP)
C. 20log(δP)
D. 20log(1- δP)
Answer» E.
5.

What is the value of stop band ripple in dB?

A. -20log(1-δS)
B. -20log(δS)
C. 20log(1-δS)
D. None of the mentioned
Answer» C. 20log(1-δS)
6.

If δP is the forbidden magnitude value in the pass band and δS is the forbidden magnitude value in th stop band, then which of the following is true in the stop band region?

A. 1- δP≤|H(jΩ)|≤1
B. δP≤|H(jΩ)|≤1
C. 0≤|H(jΩ)|≤ δS
D. 1- δP≤|H(jΩ)|≤1
Answer» D. 1- δP≤|H(jΩ)|≤1
7.

If δP is the forbidden magnitude value in the pass band and δS is the forbidden magnitude value in the stop band, then which of the following is true in the pass band region?

A. 1-δS≤|H(jΩ)|≤1
B. δP≤|H(jΩ)|≤1
C. 0≤|H(jΩ)|≤ δS
D. 1-δP≤|H(jΩ)|≤1
Answer» E.
8.

WHAT_IS_THE_CUTOFF_FREQUENCY_OF_A_NORMALIZED_FILTER??$

A. 2 rad/sec
B. 1 rad/sec
C. 0.5 rad/sec
D. None of the mentioned
Answer» C. 0.5 rad/sec
9.

WHAT_IS_THE_STOP_BAND_GAIN_OF_A_LOW_PASS_FILTER_WITH_‚ÂÀ√≠¬¨‚Ä¢S_AS_THE_PASS_BAND_ATTENUATION??$#

A. -20log(1- δ<sub>S</sub>)
B. -20log(δ<sub>S</sub>)
C. 20log(δ<sub>S</sub>)
D. 20log(1- δ<sub>S</sub>)
Answer» D. 20log(1- ‚âà√≠¬¨‚Ä¢<sub>S</sub>)
10.

The low pass, high pass, band pass and band stop filters can be designed by applying a specific transformation to a normalized low pass filter.$

A. True
B. False
Answer» B. False
11.

What is the pass band gain of a low pass filter with 1- δP as the pass band attenuation?#

A. -20log(1- δ<sub>P</sub>)
B. -20log(δ<sub>P</sub>)
C. 20log(δ<sub>P</sub>)
D. 20log(1- δ<sub>P</sub>)
Answer» E.
12.

What is the value of pass band ripple in dB?

A. -20log(1- δ<sub>P</sub>)
B. -20log(δ<sub>P</sub>)
C. 20log(1- δ<sub>P</sub>)
D. None of the mentioned
Answer» B. -20log(‚âà√≠¬¨‚Ä¢<sub>P</sub>)
13.

If δP is the forbidden magnitude value in the pass band and δS is the forbidden magnitude value in th stop band, then which of the following is true in the pass band region?$

A. 1- δ<sub>S</sub>≤|H(jΩ)|≤1
B. δ<sub>P</sub>≤|H(jΩ)|≤1
C. 0≤|H(jΩ)|≤ δ<sub>S</sub>
D. 1- δ<sub>P</sub>≤|H(jΩ)|≤1
Answer» E.
14.

What is the region after the stop band frequency in the magnitude frequency response of a low pass filter?

A. Stop band
B. Pass band
C. Transition band
D. None of the mentioned
Answer» B. Pass band
15.

What is the region between stop band and the pass band frequencies in the magnitude frequency response of a low pass filter?

A. Stop band
B. Pass band
C. Transition band
D. None of the mentioned
Answer» D. None of the mentioned
16.

What is the region between origin and the pass band frequency in the magnitude frequency response of a low pass filter?

A. Stop band
B. Pass band
C. Transition band
D. None of the mentioned
Answer» C. Transition band