Pre Assessment Test - Basics Of Signals And Systems
- 1.All the real time natural signals are of which type?
- A.
Discrete
- B.
Continous
- C.
Digital
- 2.
![Is analog signals are more flexible for easy transmission? - ProProfs]( "Is analog signals are more flexible for easy transmission?")
Is analog signals are more flexible for easy transmission?- A.
True
- B.
False
- 3.Select the conditions for the existence of Initial value theorem.
- A.
If time t approaches to infinity then the function f(t) should exists.
- B.
If time t approaches to zero then the function f(t) should vanish.
- C.
If time t approaches to zero then the function f(t) should exists.
- D.
If time t approaches to infinity then the function f(t) should vanish.
- 4.Expand the below binomial series->(1 + x)^n
- A.
1 + nx +[n(n − 1)/2!] x^2 +[n(n − 1)(n − 2)/3!] x^3 + . . .
- B.
1 + nx +2[n(n − 1)/2!] x^2 +3[n(n − 1)(n − 2)/3!] x^3 + . . .
- C.
1 - nx +[n(n − 1)/2!] x^2 +[n(n − 1)(n − 2)/3!] x^3 + . . .
- D.
1 - nx +[n(n − 1)/2!] x^2 -[n(n − 1)(n − 2)/3!] x^3 - . . .
- 5.In the following conditions, for which Final value doesn’t exist.
- A.
If the function sF(s)has the infinite pole
- B.
If the function sF(s)has pole on origin
- C.
If the function sF(s)has no zeros
- D.
If the function sF(s)has pole at unity
- 6.Expand the series ->(1 + x)^−1
- A.
1 + x + x^2 + x^3 + x^4 + . . .
- B.
1 − x + 2x^2 − 3x^3 + 4x^4 − . . .
- C.
1 − x + x^2 − x^3 + x^4 − . . .
- 7.High Pass Filter allows the
- A.
Frequency lesser than infinity
- B.
Frequency less than cut-off frequency
- C.
Frequency higher than infinity
- D.
Frequency higher than cut-off frequency
- 8.Transfer function of the system is defined as the
- A.
Ratio of laplace transform of input to output response
- B.
Ratio of laplace transform of input to output response with zero initial condition
- C.
Ratio of laplace transform of output to input response with zero initial condition
- D.
Ratio of laplace transform of output to input response
- 9.Low pass filter eliminates frequencies ______________ than the cut-off frequency
- A.
Higher
- B.
Lower
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