Explore topic-wise MCQs in Digital Signal Processing.

This section includes 18 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 physical device that performs an operation on the signal?

A. Signal source
B. System
C. Medium
D. None of the mentioned
Answer» C. Medium
Discussion
2.

Which of the following wave is known as “amplitude modulated wave” of x(t)?

A. C.x(t) (where C is a constant)
B. x(t)+y(t)
C. x(t).y(t)
D. dx(t)/dt
Answer» D. dx(t)/dt
Discussion
3.

Which of the following block is not required in digital processing of a RADAR signal?

A. A/D converter
B. D/A converter
C. DSP
D. All of the mentioned
Answer» C. DSP
Discussion
4.

If a signal x(t) is processed through a system to obtain the signal (x(t)2), then the system is said to be ____________

A. Linear
B. Non-linear
C. Exponential
D. None of the mentioned
Answer» C. Exponential
Discussion
5.

If x(n)=(0,0,1,1,1,1,1,0) then x(3n+1) is?

A. (0,1,0,0,0,0,0,0)
B. (0,0,1,1,1,1,0,0)
C. (1,1,0,0,0,0,0,0)
D. None of the mentioned
Answer» B. (0,0,1,1,1,1,0,0)
Discussion
6.

If x(n)=(0,0,1,2,3,4,0,0) then x(n-2) is?

A. (0,0,2,4,6,8,0,0)
B. (0,0,1,2,3,4,0,0)
C. (1,2,3,4,0,0,0,0)
D. (0,0,0,0,1,2,3,4)
Answer» E.
Discussion
7.

If x(n)=(0,1,2,3,3,0,0,0) then x(2n) is?

A. (0,2,4,6,6,0,0,0)
B. (0,1,2,3,3,0,0,0)
C. (0,2,3,0,0,0,0,0)
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
8.

WHICH_OF_THE_FOLLOWING_BLOCK_IS_NOT_REQUIRED_IN_DIGITAL_PROCESSING_OF_AN_RADAR_SIGNAL??$

A. A/D converter
B. D/A converter
C. DSP
D. All of the mentioned
Answer» C. DSP
Discussion
9.

What is the physical device that performs an operation on the signal?$

A. Signal source
B. System
C. Medium
D. None of the mentioned
Answer» C. Medium
Discussion
10.

Which_of_the_following_wave_is_known_as_“amplitude_modulated_wave”_of_x(t)?$#

A. C.x(t) (where C is a constant)
B. x(t)+y(t)
C. x(t).y(t)
D. dx(t)/dt
Answer» D. dx(t)/dt
Discussion
11.

What are the important block(s) required to process an input analog signal to get an output analog signal?

A. A/D converter
B. Digital signal processor
C. D/A converter
D. All of the mentioned
Answer» E.
Discussion
12.

If a signal x(t) is processed through a system to obtain the signal (x(t)2), then the system is said to be:

A. Linear
B. Non-linear
C. Exponential
D. None of the mentioned
Answer» C. Exponential
Discussion
13.

If x(n)=(0,0,1,1,1,1,1,0) then x(3n+1) is:

A. (0,1,0,0,0,0,0,0)
B. (0,0,1,1,1,1,0,0)
C. (1,1,0,0,0,0,0,0)
D. None of the mentioned
Answer» B. (0,0,1,1,1,1,0,0)
Discussion
14.

If x(n)=(0,0,1,2,3,4,0,0) then x(n-2) is:

A. (0,0,2,4,6,8,0,0)
B. (0,0,1,2,3,4,0,0)
C. (1,2,3,4,0,0,0,0)
D. (0,0,0,0,1,2,3,4)
Answer» E.
Discussion
15.

If x(n)=(0,1,2,3,3,0,0,0) then x(2n) is:

A. (0,2,4,6,6,0,0,0)
B. (0,1,2,3,3,0,0,0)
C. (0,2,3,0,0,0,0,0)
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
16.

Which property does y(t)=x(1-t) exhibit?

A. Time scaling
B. Time shifting
C. Reflecting
D. Time shifting and reflecting
Answer» E.
Discussion
17.

Which of the following conditions made digital signal processing more advantageous over analog signal processing?

A. Flexibility
B. Accuracy
C. Storage
D. All of the mentioned
Answer» E.
Discussion
18.

Which of the following is common independent variable for speech signal, EEG and ECG?

A. Time
B. Spatial coordinates
C. Pressure
D. None of the mentioned
Answer» B. Spatial coordinates
Discussion