Explore topic-wise MCQs in Digital Signal Processing.

This section includes 8 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 Butterworth polynomial of order 3?

A. (s<sup>2</sup>+s+1)(s-1)
B. (s<sup>2</sup>-s+1)(s-1)
C. (s<sup>2</sup>-s+1)(s+1)
D. (s<sup>2</sup>+s+1)(s+1)
Answer» E.
Discussion
2.

What is the general formula that represent the phase of the poles of transfer function of normalized low pass Butterworth filter of order N?

A. ( frac{ }{N} k+ frac{ }{2N} ) k=0,1,2 N-1
B. ( frac{ }{N} k+ frac{ }{2N}+ frac{ }{2} ) k=0,1,2 2N-1
C. ( frac{ }{N} k+ frac{ }{2N}+ frac{ }{2} ) k=0,1,2 N-1
D. ( frac{ }{N} k+ frac{ }{2N} ) k=0,1,2 2N-1
Answer» E.
Discussion
3.

Where does the poles of the transfer function of normalized low pass Butterworth filter exists?

A. Inside unit circle
B. Outside unit circle
C. On unit circle
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
4.

What is the transfer function of magnitude squared frequency response of the normalized low pass Butterworth filter?

A. ( frac{1}{1+(s/j)^{2N}} )
B. (1+( frac{s}{j})^{-2N} )
C. (1+( frac{s}{j})^{2N} )
D. ( frac{1}{1+(s/j)^{-2N}} )
Answer» B. (1+( frac{s}{j})^{-2N} )
Discussion
5.

|H(j )| is a monotonically increasing function of frequency.

A. True
B. False
Answer» C.
Discussion
6.

As the value of the frequency tends to , then |H(j )| tends to ____________

A. 0
B. 1
C.
D. None of the mentioned
Answer» B. 1
Discussion
7.

What is the value of magnitude frequency response of a Butterworth low pass filter at =0?

A. 0
B. 1
C. 1/ 2
D. None of the mentioned
Answer» C. 1/ 2
Discussion
8.

What is the magnitude frequency response of a Butterworth filter of order N and cutoff frequency C?

A. ( frac{1}{ sqrt{1+( frac{ }{ _C})^{2N}}} )
B. (1+( frac{ }{ _C})^{2N} )
C. ( sqrt{1+( frac{ }{ _C})^{2N}} )
D. None of the mentioned
Answer» B. (1+( frac{ }{ _C})^{2N} )
Discussion