August
1999 QUESTION 2 Total Marks: 20 Marks |
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questions
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| (a) | Why are the strategies for the development of
information systems of the utmost importance?
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[3] |
| (b) | Describe the
following stages of the systems development life cycle, and, in each case, identify what
may be produced as output. (i) Preliminary investigation (ii) Requirements determination (iii) System design (iv) System development (v) System testing (vi) System implementation and evaluation
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[2] |
| (c) | There are several advantages associated with
the use of prototyping in system development. Describe circumstances under which the
following advantages may be true: (i) Prototyping helps meets users' needs to a greater extent. (ii) More opportunity for changes.
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[1] [1] |
| (d) | Prototyping does have its drawbacks. For each
of the following problems, explain why it exists: (i) Prototyping demands high cooperation between user and developer. (ii) Total development costs can be higher. (iii) No or poor development.
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