April 2000
SA205 : SYSTEMS ANALYSIS

QUESTION 3

Total Marks: 15 Marks

• Question 1
• Question 2
• Question 4
• Question 5
• Cover Page

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SUGGESTED SOLUTIONS
for Question 3

During the requirements determination phase,data is collected from users through different data collection techniques.This information is documented,and the requirements specification forms an important piece of documentation for the subsequent phases of development.

(a)(i)Name two data collection techniques.[2 marks ]
(ii)Explain when each data collection technique named in part (i),should be
used.[2 marks ]

(b)Decision trees are one of the tools that can be used for documenting business processes.List two other tools which can be used to define requirements specifications.[2 marks ]

(c)Translate the following pseudo-code into a decision tree.
If Credit Limit is exceeded
  If Payment History = Good
    If Purchase > 200
      Refuse credit
    Else
      Refer to manager
    Endif
  Else
    Refuse Credit
  Endif
Else
  Allow Credit
Endif
[9 marks ]