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 40 of 48

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Q391.
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
Q392.
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)]
Q393.
If R(τ) is autocorrelation of a waveform v(t) and R(0) is autocorrelation for τ = 0, then

a.

R(0) > R(τ)

b.

R(0) ≥ R(τ)

c.

R(0) < R(τ)

d.

R(0) ≤ R(τ)

Discuss
Answer: (b).R(0) ≥ R(τ)
Q394.
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
Q395.
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
Q396.
A system is said to be static system, when present output depend upon

a.

present I/P

b.

presrent and past

c.

present and future

d.

past and future

Discuss
Answer: (a).present I/P
Q397.
The function f(t) = E[u(t - a) - u(t - b)] is

a.

a pulse function originating at t = a

b.

a step function orginating at t = 0

c.

an exponential function originating at t = a

d.

a pulse function originating at t = a and duration (b - a)

Discuss
Answer: (d).a pulse function originating at t = a and duration (b - a)
Q398.
If two mutually exclusive events A and B can happen in m and n ways, then either A or B can happen in (m + n) ways.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (a).True
Q399.
If average correlation between v1(t) and v2(t) is R12(t) and average correlation between v2(t) and v1(t) is R21(t) then

a.

R12(t) = R21(t)

b.

R21(t) = R12(t)

c.

R12(t) = - R21(t)

d.

none of these

Discuss
Answer: (b).R21(t) = R12(t)
Q400.
A stationary process has

a.

all statistical properties independent of time

b.

all statistical properties dependent of time

c.

zero variance

d.

ensemble average equal to time average

Discuss
Answer: (a).all statistical properties independent of time
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