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SAD621S - SYSTEMS ANALYSIS AND DESIGN - 1ST OPP - NOV 2023 |
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n Am I BI A u n IVER s ITY
OF SCIEnCE Ano TECHnOLOGY
FACULTYOF COMPUTING AND INFORMATICS
DEPARTMENTOF INFORMATICS
QUALIFICATIONS:Bachelor of Informatics
QUALIFICATIONCODE:07BAIF
LEVEL: 6
COURSECODE: SAD621S
COURSE:Systems Analysis and Design
DATE: November 2023
SESSION:1
DURATION: 2 Hours
MARKS: 80
FIRSTOPPORTUNITYEXAMINATION QUESTIONPAPER
EXAMINERS:
MODERATOR{S):
Mr Gabriel Nhinda
Prof Samuel Akinsola
THIS EXAMINATION PAPERCONSISTSOF 3 PAGES
(INCLUDING THIS FRONT PAGE)
INSTRUCTIONSFORTHE CANDIDATE
1. Answer ALL QUESTIONS.
2. When writing, take into account: The style should inform than impress, it should be
formal, in third person, paragraphs set out according to ideas or issues, and the
paragraphs flowing in a logical order.
3. Information should be brief and accurate.
4. Please ensure that your writing is legible, neat and presentable
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Section A: Definition of terms
1) Scope Creep
2) PERTChart
3) User Experience
4) Business process
5) Intangible benefits
(10 Marks]
[2 Marks]
[2 Marks]
[2 Marks]
[2 Marks]
[2 Marks]
Section B: Short answer
[20 Marks]
1) Maintenance of information systems forms part of the Total Cost of Ownership (TCO).
Which leads to maintenance costs, determining the overall economic life of a system.
Identify 4 types of maintenance tasks and provide a brief explanation of each.
[8 Marks]
2) During the systems design phase, the logical model of the system is presented.
a) Identify 4 types of keys that can be presented within a database.
[4 Marks]
b) Explain each of the 4 types of keys that can be presented within a database. [4 Marks]
c) Provide an example for each of the 4 types of keys that can be presented within a
database.
[4 Marks]
Section C: Structured questions
(20 Marks]
1) Within Information systems projects requirements elicitation is one of the major tasks
that are carried out. One technique used to elicit requirements is interviews.
a) Name any other requirements elicitation techniques within information systems
projects.
[1 Mark]
b) Briefly explain the 5 steps involved with this technique.
[10 Marks]
1) An interface design prototype is used to show users and programmers how the system
will perform.
a) State the 3 most common approaches to interface design prototyping.
[3 Marks]
b) Explain each of the 3 most common approaches to interface design prototyping.
[3 Marks]
c) Provide an example for each of the most common approaches to interface design
prototyping.
[3 Marks]
2
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Section C: Case study and knowledge application
(30 Marks]
You have been hired as the lead systems analyst for Togoba Managers Pty Ltd. They have a
systems project planned and have identified the tasks indicated in Table 1. They anticipate
that the project will start on 10 January 2024. Answer the following questions.
Table 1 List of Tasks
Task
ID
1
2
3
4
5
6
7
8
Task Description
Establish project
Establish customer
requirements
Produce software
specification documents
Write test plans
System coding
Quality assuarance testing
User acceptence testing
Writing user
documentation
Predecessor Time
Task(s) (days)
-
2
1
3
2
4
3
4
3
5
5
3
4,6
4
7
3
1) Draw the resulting Gantt chart.
2) Draw the PERTChart for the above project.
3) What is the critical path for the project?
4) What is the expected end date for the project?
(10 Marks]
(10 Marks]
(7 Marks]
[3 Marks]
3