Osmania University (OU) 2008 M.C.A Object oriented system development - Question Paper

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Code No.: 825/N

FACULTY OF INFORMATICS M.C.A. Ill Year I Semester (Main) Examination, December 2008

(New)

OBJECT ORIENTED SYSTEM DEVELOPMENT Time : 3 Hours] [Max. Marks : 80

Answer one question from each unit All questions carry equal marks.

Unit -1

1. (a) What is modeling? Discuss any four principles of modeling. 7

(b) Discuss the following concepts of unit of: 6 (i) interface, (ii) collaboration, (iii) Active classes.

(c) Define the following terms : 3

(i) Multiplicity, (ii) Role, (iii) Aggregation.

Or

2. (a) Discuss the concept of sterotypes and tagged values with the help of an

example. 8

(b) Explain in brief the following dependency relationships. 8

(i) bind, (ii) desire, (iii) friend.

Unit - II

3. Discuss the contents and common uses of use case diagrams. 16

Or

4. What is an activity diagram? Discuss the following concepts related to them. 16

(a) Activity states, (b) Branching, (c) Swimlanes, (d) Object flow.

Unit - III

5. (a) Prepare a class diagram for the object diagram given below: 5

[P.T.O.

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(b) Consider the following example of writing a book. Author write a book chapter by chapter. Reviewer reviews the chapters and gives the feedback. Author modifies the chapter based on the feedback. The typesetter does the formatting etc. and the printer prints the book.

Draw an activity diagram using swimlanes. 11

Or

/

6. (a) List and explain the two common uses of interaction diagrams. 8

(b) What is state machine in unit? Discuss the various parts of a state and transition. 8

Unit - IV

7. Discuss in detail the concept of Unified Software Development Process (USDP) with the help of a diagram. 16

Or

8. What is a Use case driven process? How is it different from Architecture-centric process? 16

Unit - V

9. (a) Discuss with examples the unit facts associated with testing. 8 (b) Explain the participating workers and their activities in the analysis phase. 8

Or

10. Write short notes on the following: 16

(a) Requirements capture

(b) Responsibilities of workers in design phase.