Download PTU B.Tech 2020 March CSE-IT 7th and 8th Sem BTIT 905 Modelling And Simulation Question Paper

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BTech.(IT) (2012 to 2017 E-lll) (Sem.-7,8)
MODELLING AND SIMULATION
Subject Code : BTIT-905
M.Code : 71989

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INSTRUCTION TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

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SECTION-A

1. Write briefly :
   1. Differentiate empirical distribution
   2. Define non stationary poisson process.
   3. State the queuing system represented by G/G/1/5/5.
   4. Draw only the flowchart of next-event time advance approach for discrete-event simulation.

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   5. Define dynamic model.
   6. Disadvantages of simulations.
   7. Why the testing of pseudo random number is done?
   8. Define network simulator.
   9. Stochastic activities.

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   10. Write the pdf and cdf for uniform distribution.

SECTION-B

1. Explain the characteristics of queueing system.
2. How could random numbers that are uniform on the interval [0, 1] be transformed into random numbers that are uniform on the interval [-11, 17]?

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3. Show the exponential distribution is memory-less.
4. For the random variables X; and X, which are exponentially distributed with parameter A =1, compute P(X; + X5 >2).
5. What is modeling and simulation? Discuss when simulation is not an appropriate tool.

SECTION-C

1. The lifetime, in years, of a satellite placed in orbit is given by the following pdf :
   

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   X)= 0.4, x>0 S { 0, otherwise
   1. What is the probability that this satellitesis still “alive” after 5 years?
   2. What is the probability that the satellite dies between 3 and 6 years from the time it is placed in orbit?
2. Explain the Mid-square random number generator with suitable example. Also discuss the importance of random number in simulation.
3. Explain the following :
   1. Monte Carlo simulation.

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   2. Empirical distribution.

NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.

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