DIT203  SYSTEM ANALYSIS AND DESIGN .

UNIVERSITY EXAMINATIONS: 2018/2019
EXAMINATION FOR THE DIPLOMA IN INFORMATION
TECHNOLOGY
DIT203 SYSTEM ANALYSIS AND DESIGN
FULLTIME/PARTTIME
DATE: NOVEMBER, 2018 TIME: 2 HOURS
INSTRUCTIONS: Answer Question One and Any other Two.

QUESTION ONE [20 MARKS]
a) Define the following terms as used in System Analysis and Design. (5 Marks)
i) System
ii) Sub-System
iii) Information System
iv) System Design
v) Boundary
b) Differentiate between an open system and a closed system. (2 Marks)
c) State and explain system stake holders (3 Marks)
d) What are the roles of a system analyst in an organization? (3 Marks)
e) What are the elements of design (2 Marks)
f) What are the reasons of initiating System Development (5 Marks)
g) What are the advantages of flow charts (5 Marks)
QUESTION TWO [20 MARKS]
a) Describe the System Development Life Cycle (10 Marks)
b) What are the characteristics of good Design (5 Marks)
c) State and explain t the advantages and disadvantages of using Questionnaires
(5 Marks)
QUESTION THREE [20 MARKS]
a) What is system Analysis? What are its objectives? (5 Marks)
b) State and explain any three types of systems. (2 Marks)
c) Differentiate the following terms as used in System analysis and design. (2 Marks)
d) Differentiate between the Tangible and Intangible benefits (2 Marks)
QUESTION FOUR [20 MAARKS]
a) State and describe the Importance of system review (5 Marks)
b) There are four methods of changeover which are used to change or switch from old
system to the new system. Kindly name and explain this systems:
(4 Marks)
c) What is system Maintenance? What are the types of system maintenance? (3 Marks)
d) Define decision tress and its importance (2 Marks)
e) What are the characteristics of user Interface (3 Marks)
f) Guidelines when designing a questionnaire (3 Marks)

QUESTION FIVE [20 MARKS]
a) Outline a comparison between the two approaches of designing a system that is the system
life cycle and the prototype. (5 Marks)
b) What is a DFD? (2 Marks)
c) How would you define an “effective system”? (2 Marks)
d) What skills does a system analyst need? (4 Marks)
e) Importance of System Documentation (5 Marks )
f) What is file conversion/creation (2 Marks )

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