/10

Signals and Systems Online Test 1 (Free)

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Your Name

1 / 10

What is the multiplication property of continuous time fourier series?

Addition of the signals in frequency domain

Division of the frequency domain

Multiplication of the elements of the signal

Convolution of the signals

2 / 10

For the system, y (t) = u{x (t)} which of the following holds true?

System is stable

System is causal and stable

System is time-invariant, causal and stable

System is Linear, time-invariant, causal and stable

3 / 10

Who discovered Fourier series?

Jean Fourier

Fourier Joseph

Jean Baptiste Joseph Fourier

Jean Baptiste de Fourier

4 / 10

What is the frequency shifting property of continuous time fourier series?

Addition in the time domain by a complex sinusoid

Multiplication in the time domain by a sinusoid

Multiplication in the time domain by a complex sinusoid

Multiplication in the time domain by a real sinusoid

5 / 10

Which among the following is a LTI system?

y(n)=x³(n+1)

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

y(t)=x(t)cosπt

dy(t)/dt+ty(t)=x(t)

6 / 10

The type of systems which are characterized by input and the output capable of taking any value in a particular set of values are called as

continuous

digital

discrete

analog

7 / 10

What is the disadvantage of exponential Fourier series?

It is hard for manipulation

It cannot be easily visualized as sinusoids

It is not easily visualized

It is tough to calculate

8 / 10

The property of Fourier Transform which states that the compression in time domain is equivalent to the expansion in the frequency domain is ____________

Frequency shifting

Time scaling

Scaling

Duality

9 / 10

Which of the following systems is time invariant?

y(t) = x(t) + x(t-1)

y(t) = -x(t) + x(1-t)

y(t) = x(t) + x(1-t)

y(t) = x(2t) + x(t)

10 / 10

Most of the signals found in nature are _________

Analog and Continuous-time

Digital and Analog

Continuous-time and digital

Continuous-time and discrete-time

Your score is

The average score is 26%

Results :

User Name	Score
Jits	60%
Rrr	50%
Chetan Vaghela	80%
Khyati	40%
123	40%
HIMANSU GAMIT	0%
Ishita Patel	20%
THAKOR KAMLESH	30%
jayendra dabhi	0%
Rohit	20%
Dipakbhai Prajapati	0%
A	20%
Qqq	0%
Nice	10%
Joshi	40%
Hadiya Parth	10%
SS	40%
Rock	30%
Vismy	30%
Akash trivedi	0%

Signals and Systems Online Test 1 (Free)

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Your Name

Results :

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