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Bbit 231:System Analysis And Design 1St Trimester 2014 Question Paper

Bbit 231:System Analysis And Design 1St Trimester 2014

Course:Bachelor Of Business Information Technology

Institution: Kenya Methodist University question papers

Exam Year:2014

SYSTEMS ANALYSIS AND DESIGN (CISY 222) (BBIT 231) 1ST TRIMESTER 2014
KENYA METHODIST UNIVERSITY

END OF 1'ST 'TRIMESTER 2014 (DAY) EXAMINATION

FACULTY : COMPUTING & INFORMATICS
DEPARTMENT : COMPUTER SCIENCE AND BUSINESS
INFORMATION
UNIT CODE : CISY 222/BBIT 231
UNIT TITLE : SYSTEM ANALYSIS AND DESIGN
TIME : 2 HOURS

INSTRUCTIONS

Answer question one and any other two questions

Question One

Discuss the key differences between the waterfall model and the risk-based model in systems development
(4 Marks)
Using two suitable systems development methods, explain the concept of iterative incremental development
(4 Marks)
A major project has just begun. It’s to enter the requirements analysis stage where managers, operators and customers will be asked about their requirements of the new system. The project team is currently reviewing the fact finding techniques available for identifying, prioritizing and agreeing these requirements in this context;
Assuming the above project was a financial management reporting system; mention two functional and two non-functional requirements for the system
(4 marks)
What fact finding techniques do you think would be appropriate?
(4 marks)
"User involvement would be a critical factor in the success of this project." Discuss
(4 Marks)
A major commercial organization has a policy of developing quality computer based systems. One consequence of this is that the new systems are developed on time, within budget and quality. Explain each of these terms and related them to the different stakeholders in the organization
(3 Marks)
Young Readers is a small library where people register to be members. The following information relates to the transactions
Books are ordered from a list of suppliers
The books are delivered and recorded in to the books records
Customers can register their details to become members
Members can then log-in to the systems
Members can then browse the books catalogue and select the books they need, which are then recorded in the loans file.
Required:

Using the above information, create a level 1 dataflow diagram
(4 Marks)
Create an entity relationship diagram to represent the entities in the above
(3 Marks)

Question Two

Define the term CASE tool
(2 Marks)
Specify the CASE tools that can be used in the system development process
(10 Marks)
Mention and explain four reasons that support the use of computer aided software testing
(8 marks)

Question Three

What are the factors that can be considered in the choice of the appropriate programming language?
(8 Marks)
Discus the design principles below and show how they influence the quality of systems
Coupling
(6 Marks)
Cohesion
(6 Marks)

Question Four

What are the major factors considered in the choice of the appropriate database management system for use in an organization?
(8 Marks)
There’s a strong relationship between the entity relationship model created during design and the database conceptual design. Explain how ERDs can be mapped to the database structure
(6 Marks)
When implementing information systems, there are many security implications. Explain some of the main security threats to information systems
(6 Marks)

Bbit 231:System Analysis And Design 1St Trimester 2014 Question Paper

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