Signals and Systems MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Signals and Systems, a fundamental topic in the field of Electronics and Communication Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Signals and Systems MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Signals and Systems mcq questions that explore various aspects of Signals and Systems problems. Each MCQ is crafted to challenge your understanding of Signals and Systems principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Electronics and Communication Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Signals and Systems MCQs are your pathway to success in mastering this essential Electronics and Communication Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Signals and Systems. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Signals and Systems knowledge to the test? Let's get started with our carefully curated MCQs!

Signals and Systems MCQs | Page 14 of 48

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Q131.
The impulse response of the DT - LTI system is given below.
Check whether the system is

1. Stable
2. Casual
3.Dynamic

a.

1 and 2

b.

2 and 3

c.

1 and 3

d.

1, 2 and 3

Discuss
Answer: (d).1, 2 and 3
Q132.
For the single rectangular pulse of the given figure:
F(jฯ‰) = [Ad sin (ฯ‰d/2)]/(ฯ‰d/2).

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q133.
If p is the probability of success and q is the probability of failure, then the probability that there are r successes in n trails is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q134.
A signal m(t) with bandwidth 500 Hz is first multiplied by a signal g(t) where g(t) ids given by below equation. The resulting signal is then passed through on ideal low pass filter with bandwidth 1 kHz. The output of the low pass filter would me

a.

ฮด(t)

b.

m(t)

c.

0

d.

m(t) ฮด(t)

Discuss
Answer: (b).m(t)
Q135.
The Z.T. of sequence x[n] = aโฟ โˆช [n] is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q136.
The unit step response of a system is (1 - e^(at)) u(t). Then its impulse response is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q137.
The inverse Laplace transform of 1/(s - a)² is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q138.
Which one of the following digital filters does have a linear phase response?

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q139.
cos(nฯ‰1t) =

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q140.
Fourier transform of e^(-a|t|) is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
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