N A L A N D A O P E N U N I V E R S I T Y
Master of Computer Application Part-II
PAPER-XII
(Object Oriented Analysis and Design)
Annual Examination, 2018
Time 3 Hours. Full Marks 80
Answer any Five Questions.
All questions carry equal marks.
1. Computer Science Department wants to schedule meetings. There may be different kinds of
meetings as School Board Meeting, faculty meeting, print committee meeting and budget
planning committee meetings. There is a list of members along with their addresses and other
details about different meetings schedule of meeting needs booking of a conference room,
fixing date and time and informing members through e-mail/ telephone. Members are also
paid honorarium and transport allowances for attending meeting.
Do the following tasks for the above system.
Draw a class diagram
Draw an object diagram
Draw a use case diagram
Draw a generalization and association diagrams.
2. Differentiate between the following with examples:
Collaboration diagram and an interaction diagram.
Generalization and inheritance
3. Explain the concept of Conceptual schema and external schema with a proper example.
4. Define state charts. Explain the two strategies to implement it. Give some examples of state
chart.
5. Draw a D.F.D. for "Railway Ticketing system". Assumptions can be made wherever necessary.
Draw the DFD's till level -2.
6. What are the steps in constructing a functional model? Explain through an example.
7. What are the advantages of two way association? How do you implement association of
objects?
8. With appropriate examples and diagrams for each, explain the following Modeling techniques.
Object Modeling
Dynamic Modeling
9. Define the following terms
Abstract class
Data Dictionary
10. With the help of an example, explain the Concurrency Identification concept for the real life
objects.