Signals And Systems (Quiz-3)

5 Questions | Total Attempts: 199

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Signals And Systems (Quiz-3) - Quiz


Questions and Answers
  • 1. 
        A signal x(t) is delayed by T time, corresponding ROC in the S – plane will shift by
    • A. 

      Exponential (-sT)

    • B. 

      Exponential (sT)

    • C. 

      T

    • D. 

      0

  • 2. 
    An LTI system’s transfer function is represented by (1/s). If unit step signal is applied at the input of this system, corresponding output will be
    • A. 

       Sinc function 

    • B. 

      Cosine function  

    • C. 

      Unit impulse

    • D. 

      Unit ramp function

  • 3. 
    An LTI system with rational system function having poles at -19, -6 and -1 and ROC is on the right side of the rightmost pole. The system is
    • A. 

      Causal-Unstable

    • B. 

      Non-causal-stable

    • C. 

      Causal-stable

    • D. 

      Non-causal-unstable

  • 4. 
    The convolution process associated with the Laplace Transform, in time domain results into
    • A. 

      Simple multiplication in complex frequency domain

    • B. 

      Simple division in complex frequency domain

    • C. 

      Simple multiplication in complex time domain

    • D. 

      Simple division in complex time domain

  • 5. 
    ROC in Z plane excludes unity circle, it signifies….
    • A. 

      Z transform converges but Fourier transform does not converge

    • B. 

      Fourier transform converges but Z transform does not converge

    • C. 

      Both Fourier and Z transform converge

    • D. 

      Both Fourier and Z transform do no converge

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