Object Modelling
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1. What is an Information Systems Strategy? Provide an example in your explanation. (4 marks)
2. Explain some of the hidden costs of poor user interface design. (6 marks)
3. Discuss the USDP lifecycle with diagram(s). (10 marks)
4. Distinguish between generalization and specialization. Provide an example of each. (4 marks)
5. What are the purposes of activity diagrams? (8 marks)
6. Define the term ‘Use case’. Provide an example using a use case diagram. (4 marks)
This assessment tasks covers the fundamental concepts of object modeling and activities of SDLC. More specifically it assess your ability to
• Explain the concepts of object orientation methodology (Learning outcome 1);
• Describe the activities in each phase of the system development life cycle. (Learning Outcome 2)
| Criteria | HD | DI | CR | PS | FL |
|---|---|---|---|---|---|
| Question 1. | Comprehensive explanation with an example of Information Systems Strategy. | Detailed explanation with an incomplete example. | List and explain the main purposes with an unexplained example. | Listing of the main purposes of Information Systems Strategy without an example and explanation. | Inadequate or incomplete explanation of Information Systems Strategy. No example provided. |
| Question 1. Possible marks | 4 | 3.5 | 3.0 | 2 – 2.5 | 0 – 1 |
| Question 2 | Explained 3 examples of hidden cost of poor UI and its immediate effects and a complete explanation of consequences. | Explained 3 examples of hidden cost of poor UI and its immediate effects and incomplete explanation of consequences. | Explained 3 examples of hidden cost of poor UI and its immediate effects and no explanation of consequences. | List 3 examples of hidden cost of poor UI, with no explanation, no immediate effects and no explanation of consequences. | List less than 3 examples of hidden costs, with no explanation of consequences, and no examples. |
| Question 2. Possible marks | 6 | 5 | 4 | 3 | 0 – 2.5 |
| Question 3. | Complete and clear description of USDP using a complete diagram. Use at least 1 reference correctly in APA. | Detailed description of USDP with an adequate diagram. Has no reference or reference is not in APA. | Thorough explanation of USDP with a correct diagram. Has no reference or reference is not in APA. | Incomplete explanation of USDP, with an incomplete diagram, and no reference. | Incomplete explanation with no diagram and no reference. |
| Question 3. Possible marks | 10 | 8 | 6 | 5 | 0-4 |
| Question 4. | Complete and clear comparison between generalization and specialization with a good example of each. | Defined and compared specialization and generalization with only 1 example. | Defined and compared specialization and generalization. Has not provided an example of each. | Defined both generalization and specialization with no comparison and no example. | List definition of generalization or specialization with no comparison and no example. |
| Question 4. Possible marks | 4 | 3 | 2.5 | 2 | 0-1 |
| Question 5. | Clear and complete explanation of 4 purposes. | List all 4 purposes with clear explanation of at most 3 purposes. | List 4 purposes with explanation for at most 2 purposes. | List 4 purposes with no explanation. | List less than 4 purposes, with no explanation. |
| Question 5. Possible marks | 8 | 6 | 5 | 4 | 0-3 |
| Question 6. | Complete definition with a clear example. | Complete definition with a good example but has an incorrect use of UC diagram. |
Clear definition with incomplete example and an incorrect use of UC diagram. | Adequate definition with no example. | Incomplete definition with no example. |
| Question 6. Possible marks |
4 | 3 | 2.5 | 2 | 0-1.5 |
Reports should be submitted is MS Word format, using the CSU referencing style of APA.
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