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Signals and Systems Quiz

Authored by Manikandan M

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University

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Signals and Systems Quiz
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50 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not a continuous-time signal?

Sin(t)

exp(-t)

δ[n]

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The unit step function u(t) is:

1 for t > 0

0 for t > 0

0 for t < 0

-1 for t < 0

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A system is said to be time-invariant if:

It produces the same output for all inputs

Its output does not change with time

Time shift in input causes a corresponding shift in output

It works only in the time domain

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An energy signal has:

Infinite energy

Finite energy and zero average power

Infinite power

Zero energy

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which signal is both even and periodic?

sin(t)

cos(t)

exp(t)

t

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

δ(t) is called:

Unit ramp

Unit impulse

Step function

Sine function

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A system with memory:

Depends only on current input

Depends on future input

Depends on past input

B and C

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