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Object Oriented Analysis Question Paper

Object Oriented Analysis

Course:Computer Science & Business Information

Institution: Kenya Methodist University question papers

Exam Year:2012

TIME : 2 HOURS

Instructions: Answer Question One and any other Two Questions.
SECTION A
Question One
Distinguish between the following types of associations;
Simple association.
(2 Marks)
Aggregation
(2 Marks)
Composition
(2 Marks)
Briefly describe the following features of object-oriented systems analysis and design.
Encapsulation
(2 Marks)
Polymorphism
(2 Marks)
Data abstraction
(2 Marks)
Inheritance
(2 Marks)
What is unified modeling language? Briefly discuss the objectives of the
unified modeling language. (4 Marks)

Explain the differences between structured systems analysis and design, and object oriented systems analysis and design.
(4 Marks)
Give a brief description of the following UML Notations.
(4 Marks)

Use case diagrams
(2 Marks)
Class Diagrams
(2 Marks)
Interaction Diagrams
(2 Marks)
Activity Diagrams
(2 Marks)

Question Two
Draw a use case diagram representing the following:
ATM System
(5 Marks)

A ticket distributor for a train system. The system includes a travellor who purchases different types of tickets and a central computer system that maintains (updates) a reference database for the tariff. The traveler can buy one way ticket, weekly card or monthly card. Also include the following exceptional cases: Timeout (when a travellor selects the insert the right amount), transaction aborted (when a treavellor selects the cancel button without completing the transaction)/Distributor out of change and distributor out of paper.
(10 Marks)

Question Three
Discuss the key differences between structured system analysis, and design and object-oriented systems analysis and design.
(10 Marks)
System development focuses on THREE models of the system, List and discuss the THREE models.
(5 Marks)

Question Four
The Kenya Methodist University is in the process of developing a course ware management system. You have been approached as the architect and assigned the task of constructing the design elements for a system that can be used to manage courses/classes for the university. The University offers a variety of courses in a variety of areas such as learning management techniques and technologies. Each course in made up of a set of topics. Tutors in the organization are assigned courses to teach according to the area that they specialize in their availability. The University publishes and maintains a calendar of the different courses and the assigned tutors every year. There is a group of course administrators in the University who manage the courses including course content, assign courses to tutors, and define the course schedule. The University aims to use the course are management system to get a better control and visibility to the management of courses and also to streamline the process of generating and managing the schedule of the different courses. Students can view and take courses.
Draw a class diagram for the course ware management system described above. (15 Marks)

Object Oriented Analysis Question Paper

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