Previous Year Very Short Questions of SS (B-TECH electronics and communication engineering 4th)

Signal and systems

Previous year question paper with solutions for Signal and systems

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  1. What is the difference between a periodic & non periodic signal?
  2. What is sampling theorem?
  3. Define Convolution theorem.
  4. What do you mean by memory less System?
  5. Define Signal to Noise ratio.
  6. What is noise figure?
  7. Define power spectral density.
  8. Give the Dirichlet Condition.
  9. State condition of existence of Fourier Integral.
  10. What do you mean by eygodicity?
  11. What do you mean by a deterministic signal? State an example.
  12. What are energy and power signals? Explain.
  13. Check whether y(t) = x(2t) is casual or non casual.
  14. What is mean by signum function? Explain.
  15. Explain the relationship between joint PDF and Probability.
  16. Define ergodic process.
  17. Two dies are thrown simultaneously; find the probability of getting a 5.
  18. Prove that the convolution of a function x(t) with an unit impulse function results the function itself.
  19. Define noise figure.
  20. What is the difference between causal and non-causal system.
  21. Give the Dirichlet condition.
  22. What is central limit theorem?
  23. State the properties of linear convolution.
  24. State the condition for the existence of Fourier integral.
  25. What do you mean by Eygodicity?
  26. Define Nyquist rate?
  27. Discuss relationship between BIBO and Asymptotic stability.