MORE IN Computer Simulation & Modelling
MU Information Technology (Semester 8)
Computer Simulation & Modelling
May 2014
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1 (a) Explain the properties of random numbers
5 M
1 (b) Define the following terms -
(i) Activity (ii) System (iii) Simulation (iv) Delay (v) Model
5 M
1 (c) If the interarrival time ranges from 2 to six minutes with equal probability and random digits generated are 51, 27, 63, 89, 11 and 45. Generated FEL with primary events.
5 M
1 (d) Explain Time series input model.
5 M

2 (a) Explain the steps in simulation study.
10 M
2 (b) Distinguish between -
(i) Terminating and non-terminating simulation
(ii) Endogenous and exogenous event
(iii) Random numbers and random variates.
10 M

3 (a) Describe the characteristics of queuing systems. Name and explain some of the useful statistical models for queuing system.
10 M
3 (b) Explain inventory system. Discuss the cost involved in inventory systems.
10 M

4 (a) Describe the procedure to generate samples from :-
(i) Erlang distibution
(ii) Exponential distribution.
10 M
4 (b) Write down the steps for K-S test. The sequence of numbers 0.54, 0.75, 0.98, 0.12 and 0.68 has been generated. Used K-S test with ?=0.05 to learn whether the hypothesis that the numbers are uniformly distributed on the interval [0,1] can be rejected. (Critical value D?=0.565)
10 M

5 (a) What do you understand by model verification and validation? Describe Briefly the various method of validating input model.
10 M
5 (b) Describe initialization bias in steady-state simulation.
10 M

6 (a) Test the following random numbers for independence by runs up and down test. Take ?=0.05 and critical value Z0.025=1.96
(0.12, 0.01, 0.23, 0.28, 0.89, 0.31, 0.64, 0.28, 0.33, 0.93)
10 M
6 (b) What are the method used to generate random numbers?
10 M

Write shot notes on (any two) :-
7 (a) Cobweb model.
10 M
7 (b) Selection of a simulation software
10 M
7 (c) Manufacturing system simulation
10 M

More question papers from Computer Simulation & Modelling