Explore topic-wise MCQs in Digital Signal Processing Questions and Answers.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Signal Processing Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the maximum value of fp with which good designs are obtained for M odd?

A. 0.25
B. 0.45
C. 0.5
D. 0.75
Answer» C. 0.5
2.

The absolute error between the desired response ω and the approximation Hr(ω) decreases as ω varies from 0 to 2πfp.

A. True
B. False
Answer» C.
3.

What is the desired response of the differentiator in the frequency range 2πfp ≤ ω ≤ π?

A. Left unconstrained
B. Constrained to be zero
C. Left unconstrained or Constrained to be zero
D. None of the mentioned
Answer» D. None of the mentioned
4.

If fp is the bandwidth of the differentiator, then the desired frequency characteristic should be linear in the range of _____________

A. 0 ≤ ω ≤ 2π
B. 0 ≤ ω ≤ 2fp
C. 0 ≤ ω ≤ 2πfp
D. None of the mentioned
Answer» D. None of the mentioned
5.

If hd(n) is the unit sample response of an ideal differentiator, then what is the value of hd(0)?

A. 1
B. -1
C. 0
D. 0.5
Answer» D. 0.5
6.

What is the unit sample response corresponding to Hd(ω)?

A. \(\frac{cos⁡πn}{n}\)
B. \(\frac{sin⁡πn}{n}\)
C. n.sin πn
D. n.cos⁡ πn
Answer» B. \(\frac{sin⁡πn}{n}\)
7.

Which of the following is the frequency response of an ideal differentiator, Hd(ω)?

A. -jω ; -π ≤ ω ≤ π
B. -jω ; 0 ≤ ω ≤ π
C. jω ; 0 ≤ ω ≤ π
D. jω ; -π ≤ ω ≤ π
Answer» E.