BBT 207 SYSTEM DEVELOPMENT METHODOLOGY KCA Past Paper

UNIVERSITY EXAMINATIONS: 2014/2015
ORDINARY EXAMINATION FOR THE BACHELOR OF BUSINESS
INFORMATION TECHNOLOGY
BBT 207 SYSTEM DEVELOPMENT METHODOLOGY
DATE: DECEMBER, 2014 TIME: 2 HOURS
INSTRUCTIONS: Answer Question ONE and any other TWO

QUESTION ONE
(a) Briefly explain the functions of the following techniques as used in SDM.
i. Rich pictures [3 Marks]
ii. Root definitions [3 Marks]
iii. Entity modeling [3 Marks]
iv. Data flow diagram [3 Marks]
(b) Identify the tools that are used in the following methodologies
i. Rapid Application Development(RAD) [2 Marks]
ii. Information Engineering [2 Marks]
iii. SSADM [2 Marks]
(c) Differentiate between Paradigm and Methodologies. [2 Marks]
(d) Describe four factors to consider when selecting an ISD methodology. [4 Marks]
(e) Discuss the Rapid Application Development lifecycle. [6 Marks]
QUESTION TWO
(a) Why is cultural change important in DSDM. [5 Marks]
(b) Discuss how prototyping can be used in various phases of the SDLC. [4 Marks]
(c) Distinguish the characteristic features between traditional SDLC and STRADIS
(Structured Analysis Design and Implementation of Information system)
[8 Marks]
(d) Identify three assumptions that are made about information systems in Structured
System Analysis and Design Method (SSADM). [3 Marks]
QUESTION THREE
(a) Define strategic information systems. [2 Marks]
(b) Discuss the three approaches that are used to addressing competitive effectiveness using IS/IT. [9 Marks]
(c) Explain six reasons why Business Reengineering Projects fail in organizations.
[6 Marks]
(d) Give three reasons why people resist change in the organization. [3 Marks]
QUESTION FOUR
(a) Briefly explain the following objectivist and subjectivist paradigms
i) Positivist Epistemology [2Marks]
ii) Nominalist Ontology [2
Marks]
(b) Give six objectives of using CASE Tools in system development. [6 Marks]
(c) Discuss the components of CASE Tools and their use. [7 Marks]
(d) Identify the types of CASE Tools. [3 Marks]
QUESTION FIVE
(a) Distinguish between Hard and Soft problems as used in SSM. [4 Marks]
(b) Discuss in detail the stages in Soft System Methodology. [16 Marks]

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