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 27 of 48

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Q261.
Assertion (A): The conditions under which it is possible to write Fourier series of a periodic function are called Drichlet conditions.

Reason (R): If f(t) = - f(- t), it is refereed to as odd symmetry.

a.

Both A and R are correct and R is correct explanation of A

b.

Both A and R are correct but R is not correct explanation of A

c.

A is true, R is false

d.

A is false, R is true

Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q262.
L[c1f1(t) + c2f2(t)] =

a.

c1 F1 (jฯ‰) + c2 F2(jฯ‰)

b.

c1 F1 (jฯ‰) - c2 F2(jฯ‰)

c.

c1 F1 (jฯ‰) + c2 F2(jฯ‰) + c1c2

d.

c1 F1 (jฯ‰) + c2 F2(jฯ‰) + c1/c2

Discuss
Answer: (a).c1 F1 (jฯ‰) + c2 F2(jฯ‰)
Q263.
If a linear time invartant system is exicited by a pure random signal like white noise, the output of the linear system will have which of the following properties?

a.

Output will be a white noise

b.

Output will be periodic

c.

Output will be random

d.

Output will be correlated or coloured noise

Discuss
Answer: (c).Output will be random
Q264.
A signum function is

a.

zero for t greater than zero

b.

zero for t less than zero

c.

unity for t greater than zero

d.

2โˆช(t) - 1

Discuss
Answer: (d).2โˆช(t) - 1
Q265.
FIR filter Passes __________ Phase.

a.

non-linear phase

b.

linear phase

c.

variable phase

d.

none

Discuss
Answer: (a).non-linear phase
Q266.
A trigonometric series has

a.

single sided spectra

b.

zero

c.

sync function

d.

undefined

Discuss
Answer: (a).single sided spectra
Q267.
If a number of odd functions are added, the resultant sum is

a.

even function

b.

odd funtion

c.

either even or odd function

d.

mixture of odd amd even functions

Discuss
Answer: (b).odd funtion
Q268.
In what range should Re(s) remains so that Laplace transform of the function e^[(a + 2)t + 5] exists?

a.

Re(s) > a + 2

b.

Re(s) > a + 7

c.

Re(s) < a

d.

Re(s) > a + 5

Discuss
Answer: (a).Re(s) > a + 2
Q269.
Which one of the following rules determines the mapping of s-plane to z-plane?

a.

Right half of the s-plane maps into outside of the unit circle in z-plane

b.

Left half of the s-plane maps into outside of the unit circle.

c.

Imaginary axis in s-plane maps in to the circumference of the unit circle.

d.

All of the above

Discuss
Answer: (d).All of the above
Q270.
For the signum function sgn(t), F(jฯ‰) =

a.

1/jฯ‰

b.

2/jฯ‰

c.

jฯ‰

d.

2 jUฯ‰

Discuss
Answer: (b).2/jฯ‰
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