April
1999 QUESTION 4 Total Marks: 20 Marks |
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| (a) | Describe each of the following types of file. | |
| (i) Master file. | [2] | |
| (ii) Transaction file. | [2] | |
| (iii) History file.
|
[2] | |
| (b) | Describe each of the following types of control. | |
| (i) Access controls. | [2] | |
| (ii) Source document controls. | [2] | |
| (iii) Communication controls.
|
[2] | |
| (c) | (i) Define the terms physical control. | [2] |
| (ii) Describe two methods of file
control which are of direct concern to the systems analyst.
|
[4] | |
| (d) | How can organisational controls help a company? | [2] |