Assessment item 2
Assignment - 2
Value: 20%
Due date: 29-Aug-2014
Return date: 19-Sep-2014
Submission method options
Alternative submission method
Task
Task
Task 1: 20 Marks
1 Define the term ‘use case’ and explain the role of use cases in system analysis.
2 Explain the difference between the include and extends relationships in use case diagrams?
3 Compare and contrast between ‘Agile’ and ‘iterative’ methodological approach.
4 What is the difference between USDP and the Waterfall lifecycles in the relationship of between activities and phases?
5 Explain Class diagram. Outline the main steps in developing a class diagram for a Use Case(UC).

Task 2: 20 Marks

Task-2 of this assignment uses the Case Study based on an Interview contained in a separate document (Please see the details in page 221 of your text book). Carefully read this case study. You are required to answer the following questions based on the Case Study.
It is expected that answers to the assignment questions be succinct and MUST be written your own words.

Question 1: UC diagram
Prepare a use case diagram for the case study.

Question 2: Description of the UCs
Write a short description for the following UC:
• Start line run
• Record employee joining the line
• Record employee leaving the line
• Stop line
Question 3: Sequence diagram
Prepare a sequence diagram for each of the UC in Q2.

Rationale
This assessment task covers the fundamentals concepts of object modelling, activities of SDLC, use cases, dynamic models and has been designed to ensure that you are engaging with the subject content on a regular basis. More specifically it seeks to assess your ability to:
- Introduction to Information System (IS) and the challenges in developing IS
- IS life cycles, methodologies and development tools
- Object orientation and modelling concepts
- Requirements analysis and Use Case (UC)
- Requirements model and object interaction