200 Level Computer Science exam questions and the detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.
Questions:
(i) List three advantages of a PERT diagram over a Gantt chart for scheduling projects.
(ii) Use Visible Analyst to create a PERT diagram for the activities shown in Figure 1.
(iii) List all paths, calculate, and determine the critical path for the projects. (20 marks)
| Activity | Predecessor | Duration |
|---|---|---|
| A | Conduct interview | None |
| B | Administer questionnaire | A |
| C | Read school of science reports | None |
| D | Analyse data flow | B, C |
| E | Introduce prototype | B, C |
| F | Observe reactions to prototype | E |
| G | Perform cost/benefit analysis | D |
| H | Prepare proposal | F, G |
| I | Present proposal | H |
Figure 1
