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 Laplace transform of cos ฯ‰t is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q132.
The response of a linea, time invariant discrete time system to a unit step input โˆช(n) is the unit impulse ฮด(n). The system response to a ramp input n โˆช(n) would be

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q133.
The impulse response h[n] of a linear time invariant system is given as below. If the input to the above system is the sequence e^(jฯ€n/4), then the output is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q134.
In the periodic train of rectangular pulses Fโ‚€ = (Vโ‚€/T)d

a.

True

b.

False

c.

May be True or False

d.

Can't Say

Discuss
Answer: (a).True
Q135.
Z transform of [(Xk±kโ‚€)] =

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q136.
If f(t) โ†” F(jฯ‰), and f(t) is real, then

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q137.
State variables which describe a system are a unique set.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (b).False
Q138.
The z- transform of a systerm is H(z) = z/(z-0.2). If the ROC is |z| < 0.2, then the impluse response of the system is

a.

(0.2)โฟ โˆช[n]

b.

(0.2)โฟ โˆช[- n - 1]

c.

-(0.2)โฟ โˆช[n]

d.

-(0.2)โฟ โˆช[- n - 1]

Discuss
Answer: (d).-(0.2)โฟ โˆช[- n - 1]
Q139.
ROC of sequence x[n] = (3)โฟ โˆช[n] + (4)โฟ โˆช[- n - 1]

a.

|z| > 4

b.

3 < |z| < 4

c.

|z| < 4

d.

|z| > 3

Discuss
Answer: (b).3 < |z| < 4
Q140.
ฮด(t - b) is a pulse function.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (b).False
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