Signals Systems Past Papers and Guess

By: Prof. Dr. Fazal Rehman | Last updated: February 3, 2024

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

500+ Past Papers – Computer Science

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