Explore topic-wise MCQs in Digital Signal Processing.

This section includes 21 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.

If a system do not have a bounded output for bounded input, then the system is said to be __________

A. Causal
B. Non-causal
C. Stable
D. Non-stable
Answer» E.
2.

The system described by the input-output equations y(n)=x(-n) is a causal system.

A. True
B. False
Answer» C.
3.

If the output of the system of the system at any ‘n’ depends only the present or the past values of the inputs then the system is said to be __________

A. Linear
B. Non-Linear
C. Causal
D. Non-causal
Answer» D. Non-causal
4.

The system described by the input-output equations y(n)=x2(n) is a Non-linear system.

A. True
B. False
Answer» B. False
5.

Whether the system described by the input-output equations y(n)=x(n)-x(n-1) a Time-variant system.

A. True
B. False
Answer» C.
6.

The system described by the input-output equation y(n)=nx(n)+bx3(n) is a __________

A. Static system
B. Dynamic system
C. Identical system
D. None of the mentioned
Answer» B. Dynamic system
7.

The output signal when a signal x(n)=(0,1,2,3) is processed through an ‘Delay’ system is?

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

The block denoted as follows is known as __________

A. Delay block
B. Advance block
C. Multiplier block
D. Adder block
Answer» B. Advance block
9.

If the output of the system is \(y(n)=\sum_{k=-\infty}^nx(y)\) with an input of x(n) then the system will work as ___________

A. Accumulator
B. Adder
C. Subtractor
D. Multiplier
Answer» B. Adder
10.

If a signal x(n) is passed through a system to get an output signal of y(n)=x(n+1), then the signal is said to be ____________

A. Delayed
B. Advanced
C. No operation
D. None of the mentioned
Answer» E.
11.

The output signal when a signal x(n)=(0,1,2,3) is processed through an ‘Identical’ system is?

A. (3,2,1,0)
B. (1,2,3,0)
C. (0,1,2,3)
D. None of the mentioned
Answer» D. None of the mentioned
12.

IF_THE_OUTPUT_OF_THE_SYSTEM_OF_THE_SYSTEM_AT_ANY_‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚Àւ§N‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•_DEPENDS_ONLY_THE_PRESENT_OR_THE_PAST_VALUES_OF_THE_INPUTS_THEN_THE_SYSTEM_IS_SAID_TO_BE:?$#

A. Linear
B. Non-Linear
C. Causal
D. Non-causal
Answer» D. Non-causal
13.

If a system do not have a bounded output for bounded input, then the system is said to be:$

A. Causal
B. Non-causal
C. Stable
D. Non-stable
Answer» E.
14.

The system described by the input-output equations y(n)=x(-n) is a causal system.$

A. True
B. False
Answer» C.
15.

The system described by the input-output equations y(n)=x2(n) is a Non-linear system?

A. True
B. False
Answer» B. False
16.

Whether the system described by the input-output equations y(n)=x(n)-x(n-1) a Time-variant system?

A. True
B. False
Answer» C.
17.

The system described by the input-output equation y(n)=nx(n)+bx3(n) is a:

A. Static system
B. Dynamic system
C. Identical system
D. None of the mentioned
Answer» B. Dynamic system
18.

The output signal when a signal x(n)=(0,1,2,3) is processed through an ‘Delay’ system is:$

A. (3,2,1,0)
B. (1,2,3,0)
C. (0,1,2,3)
D. None of the mentioned
Answer» C. (0,1,2,3)
19.

What is the output y(n) when a signal x(n)=n*u(n)is passed through a accumulator system under the conditions that it is initially relaxed?

A. (n<sup>2</sup>+n+1)/2
B. (n(n+1))/2
C. (n<sup>2</sup>+n+2)/2
D. None of the mentioned
Answer» C. (n<sup>2</sup>+n+2)/2
20.

If a signal x(n) is passed through a system to get an output signal of y(n)=x(n+1), then the signal is said to be:

A. Delayed
B. Advanced
C. No operation
D. None of the mentioned
Answer» E.
21.

The output signal when a signal x(n)=(0,1,2,3) is processed through an ‘Identical’ system is:

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