Cochin University of Science and Techology (CUST) 2006-6th Sem B.Tech Information Technology (Supplementary) ,, IT 604 Object Oriented Modelling And Design - Question Paper

BTS- VJ. (S) - 06-016 (A)

B. Tech Degree VI Semester (Supplementary) Examination

June 2006

IT 604 OBJECT ORIENTED MODELLING AND DESIGN (Common for 199$ 4 199S Admmtont)

Time: 3 Hours    Maximum Marks : 100

I.    (a) How the OMT differs from traditional softwaie development approach    (10) (b) With an example, distinguish between generalization and inheritance.    (10)

OR

II.    Wha'. are the different models used in OMT, briefly explain each?    (20)

III.    (a) How the functional model differs from object model and dynamic model?    (10) (b) Drav the stale diagram corresponds to the standard telephone operation.    (10)

OR

IV.    (a) What you mean by links and association, explain with an example?    (10) (b) Draw the object diagram corresponds io the following

A lamp has follow inf pans base, cover, switch and wiring. Lamp may be classified into two different subclasses fluorescent and incandescent.

Fluorescent Ump hat parts like ballast, twist mount and starter.

Incandescent Ump has a socket.    (10)

V.    With an example explain the different steps involved in dynamic modelling.    (20)

OR

VI.    (a) Prepare a DFD for computing Ihc roots of a quadratic equation or¹ +&*+C * 0.

Inputs are a.b.c. Outputs are roots J?,and R, which may be real or complex depending

on the values of a.b.c    (10)

(b) Draw the top level DFO ofan ATM system    (10)

VII.    (a) What are the major steps involved in object design?    (10) (b) Draw Vhe event trace diagram ofan ATM system.    (10)