December 1998
SD206: SYSTEMS DESIGN

QUESTION 1 (Compulsory)

Total Marks: 20 Marks

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SUGGESTED SOLUTIONS
for Question 1

 

(a) Define the term data entry template.

 

[2]
(b) Describe two characteristics which are exhibited by real-time systems.

 

[4]
(c) Define the term structured walk-through.

 

[2]
(d) In the context of system implementation, list two types of trainer.

 

[2]
(e) Give two advantages of a natural-language interface, when compared to a command-language interface.

 

[2]
(f) Give one example of each of the following type of code:
(i) Mnemonic code. [1]
(ii) Function code.

 

[1]
(g) Give one example of information which might be stored in each of the following type of file:
(i) Reference file. [1]
(ii) Transaction file.

 

[1]
(h) List one activity which is involved in each of the following type of maintenance:
(i) Corrective maintenance. [1]
(ii) Perfective maintenance.

 

[1]
(i) What is HIPO ? [2]