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Object Orietned Analysis (Bbit 335) (Cisy 411) 2Nd Trimester 2014 Question Paper

Object Orietned Analysis (Bbit 335) (Cisy 411) 2Nd Trimester 2014

Course:Bachelor Of Business Information Technology

Institution: Kenya Methodist University question papers

Exam Year:2014

OBJECT ORIETNED ANALYSIS (BBIT 335) (CISY 411) 2ND TRIMESTER 2014
KENYA METHODIST UNIVERSITY

END OF 2'ND 'TRIMESTER 2014 (PT) EXAMINATION

FACULTY : COMPUTING & INFORMATICS
DEPARTMENT : COMPUTER SCIENCE AND BUSINESS
INFORMATION
UNIT CODE : BBIT 335/CISY 411
UNIT TITLE : OBJECT ORIENTED ANALYSIS AND DESIGN
TIME : 2 HOURS

INSTRUCTIONS

Answer question one and any other two questions

SECTION A

Question One

Explain the importance of modeling by listing four reasons for modeling
(4 Marks)
Describe a flow of events document and list two typical components of this document
(4 Marks)
List four components of a use case diagram
(4 marks)
With the aid of a diagram show the different dimensions of a sequence diagram indicating what each dimension represents
(4 Marks)
Differentiate an abstract from a concrete class
(4 marks)
Differentiate the aggregation relationship and the composition relationship using a suitable example
(4 Marks)
Describe the following requirement attributes
Constraints
(2 Marks)
Qualifier
(2 Marks)
Define the term state as used in state diagrams
(2 Marks)
SECTION B

Question Two

Consider the following ATM system:
A user is able to withdraw, deposit or transfer money using this system. The system authenticates the user via login credentials and further authenticate all actions the user can perform on the system. There is a maximum amount normally allowed by the system for withdrawal purposes, but any amount above this has to be processed before withdrawal is allowed.

Represent this info in a use case diagram (10 marks)
With the aid of a diagram show where use cases fit in object oriented analysis and design
(10 marks)
Question Three

Consider the following scenario;

Where an applicant wants to enroll in the university she hands out a filled copy of form U113 university application form to the registrar. The registrar then inspects the forms and then determines that the forms have been filled out properly. The registrar informs students to attend in university an overview presentation. The registrar helps the student to enroll in seminars and she asks the student to pay the initial tuition payment fees. Present this info in an activity diagram (20 marks)
Question Four

Name and describe the following

UML modeling elements in class diagrams
(6 Marks)
The following types of relationships to be found in class diagrams; inheritance, dependency and instantiation
The key roles in robustness analysis
(8 Marks)

Object Orietned Analysis (Bbit 335) (Cisy 411) 2Nd Trimester 2014 Question Paper

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