December 1999
SD206 : SYSTEMS DESIGN

QUESTION 1 (Compulsory)

Total Marks: 30 Marks

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SUGGESTED SOLUTIONS
for Question 1

(a)

Describe three characteristics exhibited by real-time systems.

 

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(b)

(i)What are controls ?[2 marks ]

(ii)Why are controls needed?[1 mark ]

(iii)List three needs met by controls.[3 mark ]

 

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(c)

Name three broad classes of maintenance and,in each case,list one type of maintenance activity which might appear in that class.

 

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(d)

(i)List two benefits associated with CASE technology.[2 marks ]

(ii)List two drawbacks associated with CASE technology.[2 marks ]

 

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(e)

(i)Define the term system test .[2 marks ]

(ii)What does the operations group do during a system test?[1 mark ]

(iii)List two major objectives ofsystem testing.[2 marks ]

(iv)Why are final system tests often called acceptance tests ?[1 mark ]

(v)What should be highlighted in a presentation to management following system testing?[2 marks ]

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