Explore topic-wise MCQs in Signals & Systems.

This section includes 9 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.

What is a circular or cyclic convolution?

A. Convolution of a periodic and continuous time function
B. Convolution of a periodic and discrete time function
C. Superposition of periodic and periodic function
D. Summation of continuous time and a convolution of a periodic function convolution
Answer» E.
Discussion
2.

Who started the Convolution theorem?

A. Sylvestre Fran ois Lacroix
B. Vito Volterra
C. Pierre Simon Laplace
D. D Alembert
Answer» E.
Discussion
3.

If h1, h2 and h3 are cascaded, and h1 = u(t), h2 = exp(t) and h3 = sin(t), find the overall impulse response

A. sin(t)*exp(t)*u(t)
B. sin(t) + exp(t) + u(t)
C. u(t)*sin(t)
D. all of the mentioned
Answer» B. sin(t) + exp(t) + u(t)
Discussion
4.

Find the value of [u(t) u(t+1)] * x[t+1].

A. $x(t+1) $x(t+3)
B. $x(t) $x(t+2)
C. $x(t) $x(t-1)
D. $x(t+1) $x(t+2)
Answer» E.
Discussion
5.

If h1, h2 and h3 are parallelly summed, find the overall impulse response

A. h1 + h2 + h3
B. h1 h2 + h3
C. h1*h2*h3
D. all of the mentioned
Answer» B. h1 h2 + h3
Discussion
6.

Find the value of [u(t) d(t-1)] * -x[t+1].

A. $x(t+1) x(t)
B. x(t) $x(t+1)
C. $x(t) x(t-1)
D. $x(t-1) x(t+1)
Answer» C. $x(t) x(t-1)
Discussion
7.

Find the value of [d(t) u(t-1)] * x[t+1].

A. x(t+1) $x(t)
B. $x(t) x(t+1)
C. x(t) $x(t-1)
D. $x(t-1) x(t+1)
Answer» B. $x(t) x(t+1)
Discussion
8.

Find the value of [d(t-3) d(t-1)] * x[t+3].

A. x(t+3) x(t+2)
B. x(t) x(t+1)
C. x(t) x(t+2)
D. x(t-1) x(t+2)
Answer» D. x(t-1) x(t+2)
Discussion
9.

Find the value of [d(t) d(t-1)] * -x[t+1].

A. x(t+1) x(t)
B. x(t) x(t+1)
C. x(t) x(t-1)
D. x(t-1) x(t+1)
Answer» C. x(t) x(t-1)
Discussion