Jobs By Abekus

Signals-and-systems Questions Set 45:

Quiz Mode

Choose the correct option for an even signal.

e^(-x)

tan(x)

n^2*x

n*x^2

Solution:

Which of the following is memory less system?

x(t+2)

x(t-3)+x(t)-x(t-3)

x(t-3)+x(t)

Solution:

What is the area of a unit impulse function?

Zero

Depends on the function

Half of 1

Solution:

Find the Nyquist rate for the signal f(t) = sin(300πt) / (πt)

100 Hz

150 Hz

600 Hz

300 Hz

Solution:

What is the Laplace Transform of sinh(at)?

a/(s^2 + a^2)

s/(s^2 - a^2)

a/(s^2 - a^2)

s/(s^2 + a^2)

Solution:

In a color TV receiver, a varactor diode is used for:

detection

rectification

tuning

both (a) and (b)

Solution:

If a function f[n] is multiplied by a delta function d[n-12], what will be the value of the result?

f[n - 6]

f[n + 12]

f[n - 12]

f[12n - d[n]]

Solution:

The function that relates the output of a system to the input (signal) of a system is called the:

Periodic function

Non-periodic function

Transfer function

None of the above

Solution:

Which of the following is not one of Dirichlet's conditions for the Fourier series expansion?

f(x) is periodic, single-valued, and finite

f(x) has a finite number of discontinuities in only one period

f(x) has a finite number of maxima and minima

f(x) is a periodic, single-valued, and finite function

Solution:

When is a signal x(t) said to be non-periodic?

If the equation x(t) = x(t + T) is satisfied for only odd values of T

If the equation x(t) = x(t + T) is satisfied for no values of T

If the equation x(t) = x(t + T) is satisfied for only one value of T

If the equation x(t) = x(t + T) is satisfied for all values of T

Signals-and-systems Questions Set 45:

Choose the correct option for an even signal.

Solution:

Which of the following is memory less system?

Solution:

What is the area of a unit impulse function?

Solution:

Find the Nyquist rate for the signal f(t) = sin(300πt) / (πt)

Solution:

What is the Laplace Transform of sinh(at)?

Solution:

In a color TV receiver, a varactor diode is used for:

Solution:

If a function f[n] is multiplied by a delta function d[n-12], what will be the value of the result?

Solution:

The function that relates the output of a system to the input (signal) of a system is called the:

Solution:

Which of the following is not one of Dirichlet's conditions for the Fourier series expansion?

Solution:

When is a signal x(t) said to be non-periodic?

Solution:

Related Question Sets:

Related Topics: