Jawaharlal Nehru Technological University Hyderabad 2006 B.E Computer Science mathematical modelling and stimulation(MMS) - - Question Paper

drawn? Is maximum period achieved.
8. explain why validating a model of computer system might be easier than validating
a military combat model. presume that the computer system of interest is similar
to an existing one. [16]
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Code No: RR410508 Set No. 2
IV B.Tech I Semester Regular Examinations, November 2006
MATHEMATICAL MODELLING & SIMULATION
( Common to Computer Science & Engineering and Electronics &
Computer Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
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1. (a) What is simplex? Write the steps used in the simplex method. [4]
(b) Express the subsequent L. P. issue in standard from: [12]
Minimize z = x1 - 2x2 + x1
subject to the constraints:
2x1 + 3x2 + 4x3  -4
3x1 + 5x2 + 2x3  -7
x1  0, x2  0 and x3 is unrestricted in sign.
2. Solve the subsequent transportation: [16]
1 two three four Supply
1 two three 11 seven 6
2 one 0 six one 1
3 five eight 15 nine 10
Requirement seven five three 2
3. (a) elaborate the kinds of inventory? Why they are maintained? [6]
(b) A particular item has a demand of 9,000 units/year. The cost of 1 pro-
curement is Rs. 100 and the holding cost per unit is Rs. 2.40 per year. The
replacement is instaneous and no shortages are allowed determine. [10]
i. the economic lot size
ii. the number of orders per year
iii. the time ranging from orders
iv. total cost per year if the cost of 1 unit is Rs. 1.
4. Make an ABC analysis for the subsequent items in a store and construct the ABC -
analysis chart [16]
5. (a) describe Queue. discuss briefly the main characteristics of queuing system. [8]
(b) What is queuing problem? discuss the transient and steady states of queuing
system. [8]
6. (a) describe the term direct cost and indirect cost as applicable to cost of a project.
[4]
(b) What do you understand by optimum cost and optimum duration? Draw a
typical cost-duration, curve as applicable to PERT AND CPM. [12]
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Code No: RR410508 Set No. 2
7. (a) discuss the role of state descriptor in discrete system simulation [6]
(b) describe the terms [6]
i. Discrete event
ii. Simulation time

Earning:   Approval pending.