Pre Assessment Test - Basics Of Signals And Systems

11 Questions | Total Attempts: 98

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Pre Assessment Test - Basics Of Signals And Systems


Questions and Answers
  • 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?
    • 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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