Explore topic-wise MCQs in Signals & Systems.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Signals & Systems knowledge and support exam preparation. Choose a topic below to get started.

1.

Which among the following is a LTI system?

A. dy(t)/dt+ty(t)=x(t)
B. y(t)=x(t)cos t
C. y(n)=x(n)+nx(n-1)
D. y(n)=x<sup>3</sup> (n+1)
Answer» E.
Discussion
2.

A system produces zero output for one input and same gives the same output for several other inputs. What is the system called?

A. Non invertible System
B. Invertible system
C. Non causal system
D. Causal system
Answer» B. Invertible system
Discussion
3.

Which one of the following is an example of a bounded signal?

A. e<sup>t</sup> coswt
B. e<sup>t</sup> sinw(-t)
C. e<sup>-t</sup> coswt
D. e<sup>t</sup> cosw(-t)
Answer» D. e<sup>t</sup> cosw(-t)
Discussion
4.

Determine the nature of the system, ( frac{d^2 y(t)}{dt^2}+2 frac{dy(t)}{dt}+4y^3 (t)=x(t-4) ).

A. Static, linear, causal and time variant
B. Dynamic, non linear, causal and time invariant
C. Static, non linear, causal and time variant
D. Dynamic, non linear, causal and time variant
Answer» C. Static, non linear, causal and time variant
Discussion
5.

Which among the following is not a linear system?

A. y(n) = Cx(2n) + 2D
B. y(t) = ( int_0^t ) x(w)dw
C. y(t) + 2y(t) = tx(t)
D. y(n) = x(n)coswn
Answer» B. y(t) = ( int_0^t ) x(w)dw
Discussion
6.

Which one of the following systems is causal?

A. y(t)=x(t)+x(t-3)+x(t<sup>2</sup>)
B. y(n)=x(n+2)
C. y(t)=x(t-1)+x(t-2)
D. y(n)=x(2n<sup>2</sup>)
Answer» D. y(n)=x(2n<sup>2</sup>)
Discussion
7.

Which among the following systems are described by partial differential functions?

A. Causal Systems and Dynamic systems
B. Distributed parameter systems and linear systems
C. Distributed parameter systems and Dynamic systems
D. Causal systems and linear systems
Answer» D. Causal systems and linear systems
Discussion
8.

Amplifiers, motors, filters etc. are examples for which type of system?

A. Distributed parameter systems
B. Unstable systems
C. Discrete time systems
D. Continuous time systems
Answer» E.
Discussion