Signals Systems Past Papers and Guess

Prof. Fazal Rehman Shamil

Signals Systems Past Papers 1

Paper: Signals Systems 

Time Allowed: 3 hours

Examination:  

Total Marks:    70, Passing Marks (35)

Q 1:     What are the Basic System Properties? Explain.

 

Q 2:     Convolve the following signals

 

            h(t) = e-at u(t) where a > 0

x(t) = e-btu(t) where b> 0

 

Q 3:     Explain in detail Pulse Amplitude modulation and Sinusoidal Frequency Modulation with the help of

Examples.

 

Q 4:     Explain properties of Laplace transform.

 

Q 5:     Explain sampling theorem. How signal can be reconstructed from samples using interpolation.

 

Q 6:     Explain Linearity, time shifting, time reversal and time scaling properties of continues time Fourier

series.

 

Q 7:     Explain properties of LTI system in detail.

 

Q 8:     Write short notes on any two of the following.

 

  • Periodic and Aperiodic Signals
  • Aliasing of the signal.
  • Frequency Division Multiplexing

Signals Systems Important Questions from Guess Papers 2

Paper: Signals Systems 

Time Allowed: 3 hours

Examination:  

Total Marks:    70, Passing Marks (35)

Q.1 True/False. (14)
a. Communication is the process of exchanging information.

b. Optical media communication channels are used for audio or video analog signals.
.
c. Simplex communication refers to a one-way transmission type system.

d. Modulation makes the information signal more compatible with the medium.

e. Analog signals vary continuously.

f. A complex Exponential Signal is Three Dimensional Signal.

g. A system that require memory is called dynamic system.

 

Q.2 Derive the Equation for Energy & power in Signal and System? . (14)

Q.3 X(t) = Cost + Sint + CostSint ?. (7+7)
Find Even & Odd Component Of Signal ?

Q.4

Find i) x(t-1)
ii) x(2t+1)
iii) x(4-t/2)
iv) x(t+1)

.Q.5 What is signal & System. Explain. (14)

Q.6 Find the cofficient of Fourier Series? (14)

Q.7 Find Discrete Time Fourier Trasnform? (14)
X[n] = an u[n]

Q.8 Write short notes on any two of the following (7+7)
(a) Fourier Series
(b) Continous and Discrete-time signal
(c) Unit Step & Unit Impulse

Electrical Engineering Past Papers and Guess(EE)

  1. Calculus & analytic geometry past papers
  2. Introduction to computing past papers
  3. Electricity and magnetism past papers
  4. APPLIED LINEAR ALGEBRA past papers
  5. Programming Fundamentals Past Papers
  6. Electronic devices and circuits
  7. Digital Logic Design DLD Past Papers
  8. Basic Electronics & DLD Past Papers
  9. Functional English Past Papers
  10. Differential Equations Past Papers
  11. Data Structures Past Papers
  12. Electric Machines Past Papers 
  13. Network Analysis Past Papers
  14. Numerical Analysis Past Papers
  15. Signals Systems Past Papers
  16. complex variables and transform past papers
  17. Engineering drawing and AutoCAD past papers
  18. Applied Thermodynamics Past Papers
  19. Communication and presentation skills Past Papers
  20. Field Theory Past Papers
  21. Communication Systems Past Papers
  22. Embedded Systems Past Papers
  23. Basic Electronics Instrumentation Past Papers
  24. Power Transmission Distribution Past Papers
  25. Linear control systems Past Papers
  26. Probability Methods in Engineering Past Papers
  27. Engineering Economics Past Papers
  28. Technical Report Writing Past Papers
  29. Professional Ethics Past Papers
Prof.Fazal Rehman Shamil (Available for Professional Discussions)
1. Message on Facebook page for discussions,
2. Video lectures on Youtube
3. Email is only for Advertisement/business enquiries.