System Analysis And Design Question Paper

System Analysis And Design

Course:Diploma In Information Technology

Institution: Bungoma Technical Training Institute question papers

Exam Year:2009

STAGE II EXAMINATION FOR DIPLOMA IN INFORMATION
TECHNOLOGY
SYSTEM ANALYSIS AND DESIGN
DATE: NOVEMBER 2009 TIME: 1½HOURS
INSTRUCTIONS: Answer any THREE questions
QUESTION ONE [20 MARKS]
a) Describe the FOUR main types of feasibility study [8 Marks]
b) Explain THREE tangible benefits & THREE intangible benefits that organization realizes as a result of implementing a new system
[12 Marks]
QUESTION TWO [20 MARKS]
a)
i. Describe system conversion [2 Marks]
ii. Explain the FOUR methods that may be used during system conversion. [8 Marks]
b) Describe any THREE qualifications & any THREE roles of a system Analyst. [6 Marks]
c) Explain FOUR reasons why new system projects may be initiated. [4 Marks]
QUESTION THREE [20 MARKS]
a) Elaborate the FOUR notations used in DFD’s [8 Marks]
b) Distinguish between
i. Logical & physical design
[4 Marks]
ii. Systems Validation & System Validation. [4 Marks]
iii. Probabilistic & deterministic systems. [4 Marks]
QUESTION FOUR [20 MARKS]
a) Describe what is meant by a traditional systems development life cycle (SDLC). [6 Marks]
b) Describe THREE problems that are commonly associated with the traditional SDLC.
[6 Marks]
c)
i. Describe an alternative systems development approach [4 Marks]
ii. How does the solution in (c i) above help to overcome three of the problems that you
described in (b) above.
[4 Marks]
QUESTION FIVE [20 MARKS]
a) Give a brief description of the following terms;;
i. Normalization
ii. Entity Relationship model
iii. Structured walkthroughs
iv. System testing [8 Marks]
b) Explain FOUR major human problems likely to be encountered by the systems analyst.
[4 Marks]
c) No matter how well the users of a system are satisfied, the system cannot be considered
complete and successful until documented to a high standard. Explain FOUR benefits of
documenting systems to high documentation standards [8 Marks]

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