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.

IS_THE_SIGNAL_X(T)_=_EXP(-T)*SIN(T)_PERIODIC_IN_NATURE??$

A. Yes
B. No
Answer» C.
Discussion
2.

Find where the signal x(t) = 1/(t2 – 3t + 2) finds its maximum value between (1.25, 1.75)?#

A. 1.40
B. 1.45
C. 1.55
D. 1.50
Answer» E.
Discussion
3.

For a double sided function, which is odd, what will be the integral of the function from -infinity to +infinity equal to?

A. Non-zero Finite
B. Zero
C. Infinite
D. None of the mentioned
Answer» C. Infinite
Discussion
4.

For the signal x(t) = a – b*exp(-ct), what is the steady state value, and the initial value?$

A. c, b
B. c, c-a
C. a, a-b
D. b, a-b
Answer» D. b, a-b
Discussion
5.

For a bounded function, is the integral of the function from -infinity to +infinity defined and finite?

A. Yes
B. Never
C. Not always
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
6.

What are the steady state values of the signals, 1-exp(-t), and 1-k*exp(-k*t)?

A. 1, k
B. 1, 1/k
C. k, k
D. 1, 1
Answer» E.
Discussion
7.

For the signal, x(t) = log(cos(a*pi*t+d)) for a = 50 Hz, what is the time period of the signal, if periodic?

A. 0.16s
B. 0.08s
C. 0.12s
D. 0.04s
Answer» E.
Discussion
8.

Which of the following signals is monotonic?

A. x(t) = t<sup>3</sup> – 2t
B. x(t) = sin(t)
C. x(t) = sin<sup>2</sup>2(t) + cos<sup>2</sup>2(t) – 2t
D. x(t) = log(cos(t))
Answer» D. x(t) = log(cos(t))
Discussion
9.

What is the period of the following signal, x(t) = sin(18*pi*t + 78 deg)?

A. <sup>1</sup>‚ÅÑ<sub>9</sub>
B. <sup>2</sup>‚ÅÑ<sub>9</sub>
C. <sup>1</sup>‚ÅÑ<sub>3</sub>
D. <sup>4</sup>‚ÅÑ<sub>9</sub>
Answer» C. <sup>1</sup>‚Äö√Ñ√∂‚àö√ñ‚àö√´<sub>3</sub>
Discussion
10.

Which of the following signals are monotonic in nature?

A. 1-exp(-t)
B. 1-exp(sin(t))
C. log(tan(t))
D. cos(t)
Answer» B. 1-exp(sin(t))
Discussion