Explore topic-wise MCQs in Signals Systems.

This section includes 10 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.

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» E.
Discussion
2.

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» E.
Discussion
3.

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» B. $x(t) ‚Äö√Ñ√∂‚àö√ë‚àö¬® $x(t+2)
Discussion
4.

What is periodic convolution?

A. Continuous type superposition
B. Periodic type summation
C. Discrete type addition
D. Summation of both continuous and periodic type
Answer» E.
Discussion
5.

Who_started_the_Convolution_theorem?

A. Sylvestre François Lacroix
B. Vito Volterra
C. Pierre Simon Laplace
D. D’Alembert
Answer» C. Pierre Simon Laplace
Discussion
6.

If h1, h2 and h3 are cascaded, and h1 = u(t+4), h2 = d(t-3) and h3 = d(t-5), find the overall impulse response

A. u(t-4)
B. u(t-6)
C. u(t-8)
D. all of the mentioned
Answer» C. u(t-8)
Discussion
7.

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

A. s(t)
B. d(t)
C. u(t)
D. all of the mentioned
Answer» B. d(t)
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) ‚Äö√Ñ√∂‚àö√ë‚àö¬® x(t+2)
Discussion
9.

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

A. h1 * h2 * h3
B. h1 + h2 + h3
C. h3
D. all of the mentioned
Answer» D. all of the mentioned
Discussion
10.

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» B. x(t) ‚Äö√Ñ√∂‚àö√ë‚àö¬® x(t+1)
Discussion