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 30 of 48

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Q291.
The discrete time system describes by y(n) = x(n²) is

a.

casual, Linear, time varying

b.

casual, non-linear, timevari

c.

non-casual, Linear, time invariant

d.

non-casual, non-linear, time variant

Discuss
Answer: (a).casual, Linear, time varying
Q292.
A system is stable if ROC

a.

include the unit circle

b.

exclude the unit circle

c.

lies on Circle

d.

entire plane

Discuss
Answer: (a).include the unit circle
Q293.
The Laplace transform of a unit step function is

a.

1

b.

1 / s

c.

s

d.

1 / s²

Discuss
Answer: (b).1 / s
Q294.
If ROC of x[n] is R1 then ROC of aโฟ x[n] is

a.

R1a

b.

R1/a

c.

a/R1

d.

R1 + a

Discuss
Answer: (b).R1/a
Q295.
x = AX + Bu is a state equation.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (a).True
Q296.
The standard deviation of a set of observations is the rms value of the deviation from the arithmetic mean.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (a).True
Q297.
Which one of following is a static system?

a.

y(n) = x(n) - x(n - 1)

b.

y(n) = x(2n) - x(2n-1)

c.

y(n) = x(n - 1)

d.

y(n) = e^[x(n)]

Discuss
Answer: (d).y(n) = e^[x(n)]
Q298.
If R(ฯ„) is autocorrelation of a waveform v(t) and R(0) is autocorrelation for ฯ„ = 0, then

a.

R(0) > R(ฯ„)

b.

R(0) โ‰ฅ R(ฯ„)

c.

R(0) < R(ฯ„)

d.

R(0) โ‰ค R(ฯ„)

Discuss
Answer: (b).R(0) โ‰ฅ R(ฯ„)
Q299.
Assertion (A): Impulse function is an important function in network analysis.

Reason (R): Convolution integral enables us to find the response of a network to an arbitary input in terms of the impulse response.

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: (a).Both A and R are correct and R is correct explanation of A
Q300.
The value of K in function f(x) = K(x - 1) for K = 1 < x < 4

a.

1/9

b.

2/9

c.

3/9

d.

4/9

Discuss
Answer: (b).2/9
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