UNIVERSITY EXAMINATIONS: 2015/2016
EXAMINATION FOR THE DIPLOMA IN BUSINESS INFORMATION
TECHNOLOGY
DIT203 DBIT205 SYSTEM ANALYSIS & DESIGN
DATE: AUGUST 2016 TIME: 1½HOURS
INSTRUCTIONS: Answer Any THREE Questions.
QUESTION ONE
(a) Discuss the objectives for the following stages of the systems development life cycle:
i) Feasibility study (2 Marks)
ii) Systems analysis (2 Marks)
iii) Systems design (2 Marks)
iv) Systems evaluation (2 Marks)
(b) With reference to data flow diagrams, explain the meaning of each of the following terms:
i) External entity (2 Marks)
ii) Process (2 Marks)
iii) Data store (2 Marks)
iv) Context diagram (2 Marks)
(c) Explain the importance of documenting system development activities and decisions
(4 Marks)
QUESTION TWO
a) Define the following terms: (3 Marks)
i. System
ii. Data
iii. Information
b) Distinguish phased and pilot changeover methods . (4 Marks)
c) State four challenges that a systems analyst is likely to face. (4 Marks)
d) Give four reasons system implementation occasionally fails (4 Marks)
e) Define a CASE tool and outline three advantages of using CASE tools for requirements
analysis and system design. (5 Marks)
.
QUESTION THREE
(a) State three advantages and three disadvantages of using interviews for fact finding
during systems investigation. (6 Marks)
(b) Outline three categories of tests necessary for an information system. (6 Marks)
(c) Discuss four types of systems stakeholders, stating how they fit being considered as
such. (8 Marks)
QUESTION FOUR
(a) Da) Discuss five characteristics of a good systems analyst (10 Marks)
(b) (b) A computer system is to be developed for Happy Ventures Industries (HVI) Ltd, manufacturers
of Plastic containers and kitchenware. HVI has many customers, each of whom place a number
of orders with the company. Each order is composed of a number of order items. Represent the
information in an Entity Relationship Diagram. (10 Marks)
QUESTION FIVE
(a) Discuss five causes of user resistance. (10 Marks)
(b) Discuss how resistance can be prevented or resolved. (10 Marks)
