Explore topic-wise MCQs in Digital Signal Processing.

This section includes 14 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.

What is the z-transform of the first backward difference equation of y(n)?

A. \(\frac{1+z^{-1}}{T}\) Y(z)
B. \(\frac{1-z^{-1}}{T}\) Y(z)
C. \(\frac{1+z^1}{T}\) Y(z)
D. None of the mentioned
Answer» C. \(\frac{1+z^1}{T}\) Y(z)
Discussion
2.

An analog high pass filter can be mapped to a digital high pass filter.

A. True
B. False
Answer» C.
Discussion
3.

The frequency response H(ω) will be considerably distorted with respect to H(jΩ).

A. True
B. False
Answer» B. False
Discussion
4.

What is the radius of the circle represented by the image of jΩ axis of the s-domain?

A. 0.75
B. 0.25
C. 1
D. 0.5
Answer» E.
Discussion
5.

What is the center of the circle represented by the image of jΩ axis of the s-domain?

A. z=0
B. z=0.5
C. z=1
D. none of the mentioned
Answer» C. z=1
Discussion
6.

Which of the following is the correct relation between ‘s’ and ‘z’?

A. z=1/(1+sT)
B. s=1/(1+zT)
C. z=1/(1-sT)
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
7.

The equation for Heq(s) is \(\frac{\sum_{K=0}^M b_K s^K}{\sum_{K=0}^N a_K s^K}\).

A. True
B. False
Answer» B. False
Discussion
8.

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A. s=(1-z<sup>-1</sup>)/T
B. s=1/(1+zT)
C. s=(1+z<sup>-1</sup>)/T
D. None of the mentioned
Answer» B. s=1/(1+zT)
Discussion
9.

An analog high pass filter can be mapped to a digital high pass filter?

A. True
B. False
Answer» C.
Discussion
10.

The left half of the s-plane is mapped to which of the following in the z-domain?

A. Outside the circle |z-0.5|=0.5
B. Outside the circle |z+0.5|=0.5
C. Inside the circle |z-0.5|=0.5
D. Inside the circle |z+0.5|=0.5
Answer» D. Inside the circle |z+0.5|=0.5
Discussion
11.

The frequency response H(ω) will be considerably distorted with respect to H(jΩ).$

A. True
B. False
Answer» B. False
Discussion
12.

What is the center of the circle represented by the image of jΩ axis of the s-domain?$

A. z=0
B. z=0.5
C. z=1
D. None of the mentioned
Answer» C. z=1
Discussion
13.

Which of the following is the correct relation between ‘s’ and ‘z’?$

A. z=1/(1+sT)
B. s=1/(1+zT)
C. z=1/(1-sT)
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
14.

What is the first backward difference of y(n)?

A. [y(n)+y(n-1)]/T
B. [y(n)+y(n+1)]/T
C. [y(n)-y(n+1)]/T
D. [y(n)-y(n-1)]/T
Answer» E.
Discussion