Explore topic-wise MCQs in Digital Signal Processing.

This section includes 17 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 filter eliminates the spectrum of X(ω) in the range π/D < ω < π.

A. True
B. False
Answer» B. False
Discussion
2.

If HD(ω) is the frequency response of the low pass filter, then for what value of ω, HD(ω)=1?

A. |ω| = π/D
B. |ω| ≥ π/D
C. |ω| ≤ π/D
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
3.

The sequence \(\bar{v}(n)\) can be obtained by multiplying v(n) with a signal p(n) of period D.

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

We need not relate the spectrum of y(m) to spectrum of x(n) to obtain frequency response characteristic of y(m).

A. True
B. False
Answer» C.
Discussion
5.

If x(n) produces y(m), then x(n-n0) does imply y(n-n0) for any value of n0.

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

Which process has a block diagram as shown in the figure below?

A. Sampling rate conversion
B. Interpolation
C. Decimation
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
7.

WE_NEED_NOT_RELATE_THE_SPECTRUM_OF_Y(M)_TO_SPECTRUM_OF_X(N)_TO_OBTAIN_FREQUENCY_RESPONSE_CHARACTERISTIC_OF_Y(M).?$

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

If HD(ω) is the frequency response of the low pass filter, then for what value of ω, HD(ω)=1?$#

A. |ω| = π/D
B. |ω| ≥ π/D
C. |ω| ≤ π/D
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
9.

The_sequence_v_ÃÖ(n)_can_be_obtained_by_multiplying_v(n)_with_a_signal_p(n)_of_period_D.$#

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

The filter eliminates the spectrum of X(ω) in the range π/D < ω < π.$

A. True
B. False
Answer» B. False
Discussion
11.

Which of the following gives the equation for y(m)?

A. v(mD)
B. p(mD)
C. v(mD).p(mD)
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
12.

The linear filtering operation followed by down sampling on x(n) is not time invariant.

A. True
B. False
Answer» B. False
Discussion
13.

If x(n) produces y(m), then x(n-n0)) does imply y(n-n0) for any value of n0).

A. True
B. False
Answer» C.
Discussion
14.

Which of the following is true about the filtering operation on x(n)?

A. Linear
B. Time variant
C. None of the mentioned
D. Linear and time invariant
Answer» E.
Discussion
15.

To what value should the bandwidth of x(n) has to be reduced in order to avoid aliasing?

A. F/D
B. F/2D
C. F/4D
D. None of the mentioned
Answer» C. F/4D
Discussion
16.

What is the folding frequency for the aliased version of x(n) with sampling rate F?

A. F/D
B. F/4D
C. F/2
D. F/2D
Answer» E.
Discussion
17.

If we down-sample a signal x(n), then the resulting signal will be an aliased version of x(n).

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