Explore topic-wise MCQs in Digital Signal Processing.

This section includes 7 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 S as the pass band attenuation?

A. -20log(1- <sub>S</sub>)
B. -20log( <sub>S</sub>)
C. 20log( <sub>S</sub>)
D. 20log(1- <sub>S</sub>)
Answer» D. 20log(1- <sub>S</sub>)
4.

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

A. -20log(1- <sub>P</sub>)
B. -20log( <sub>P</sub>)
C. 20log( <sub>P</sub>)
D. 20log(1- <sub>P</sub>)
Answer» E.
5.

What is the value of stop band ripple in dB?

A. -20log(1- <sub>S</sub>)
B. -20log( <sub>S</sub>)
C. 20log(1- <sub>S</sub>)
D. None of the mentioned
Answer» C. 20log(1- <sub>S</sub>)
6.

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

A. 1- <sub>P</sub> |H(j )| 1
B. <sub>P</sub> |H(j )| 1
C. 0 |H(j )| <sub>S</sub>
D. 1- <sub>P</sub> |H(j )| 1
Answer» D. 1- <sub>P</sub> |H(j )| 1
7.

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

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