# Simulation and Modeling | BSc.CSIT (TU) Question Paper 2067 | Fifth Semester

## Fifth Semester | Third Year | Tribhuvan University Old Question Collection | Question Bank Simulation and Modeling, Year: 2067 Computer Science and Information Technology (CSc. 302) Full Marks: 60 | Pass Marks: 24 | Time: 3 hours

Candidates are required to give their answer in their own words as far as practicable.
The figures in the margin indicate full marks.

Group A
Attempt any two questions. (2×10=20)

1. What is model? What are the different types of models? Give example for each.
2. What do you mean by Queuing system? Explain the characteristics of Queuing system with example.
3. Explain the independence test. A sequence of 1000 four digit numbers has been generated and an analysis indicates the following combinations and frequencies.
Based on poker test, test whether these numbers are independent. Use α = 0.05 and N = 4 is 9.49.

 Combination(i) Observed frequency (Oi) four different digits 560 One pair 394 Two pairs 32 Three digits of a kind 13 Four digits of a kind 1 1000

Group B
Attempt any eight questions. (8×5=40)

5. What do you mean by Pseudo random numbers?
6. Explain non-uniform random number generation.
7. Define a Markov chains and its application.
8. Use the linear congruential method to generate a sequence of three two-digit random integers. Let X0 = 29, a = 9, c = 49 and m = 100
9. Why do we use verification and validation in simulation?
10. Explain the data and control statement in CSMP.
11. Explain the iterative process of calibrating a model.
12. Write short notes on:
a) GPSS
b) Server Utilization

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