Systems Analysis

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Task

1.

 

Wagga Base Hospital has a special facility that does X-rays by appointment. When a GP asks a patient to undergo an X-ray and gives him/her a request for an X-ray, the patient visits the Wagga Base Hospital X-ray facility to make an appointment and receives an appointment slip. When the patient goes to the X-ray facility, he/she presents the appointment slip and gets X-rayed; a report is prepared (one copy of which is sent to the patient GP). Identify a use case from this short case study and write a Fully Developed Use Case description.

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2.

 

3.

For the above diagram (Systems Analysis and Design in a Changing World, 5th Edition, Figure 6.9):

Describe what is represented by each of the top 5 arrows, those above the thick line dividing the diagram.


 

4.

A football coach can train only one team at a time and each team can be trained by only one football coach at a time. Each team consists of 24 players who could be either foreigners or Australians. Draw a class diagram to represent the above information.

5.

For the above diagram:

What is Customer? What is Disable Account? What kind of diagram is this?

Write a statement that represents the above diagram.
 

6.

Draw an analysis class diagram to represent the following information:

An academic can be a lecturer or a researcher. A lecturer should teach at least one course but not more than 4. Each course is taught by one lecturer, and may be studied by zero or more students. A student must study at least one course but not more than 4.
 

7.

For the above diagram (Systems Analysis and Design in a Changing World, 5th Edition, Figure 7.13):

Give a full narrative description of the diagram.

8.

Draw E-R diagrams for the following statements:

A tree has many leaves; a leaf is only on one tree.
A car has one owner; an owner may own several cars.
An author writes many books: a book may be written by several authors.


 

Rationale

This assignment is intended to enable you to start making the link between theory and practice. The tasks will also help you apply your understanding and knowledge to real-life business situations. Of particular importance is the intention of this assignment to improve your understanding of use cases which are initial medium for describing (in some detail) what a system is supposed to do. The assignment tasks also test your ability to apply your knowledge of, and skills at, producing requirements models such as class diagrams and DFDs.

Marking criteria

1. Activity Diagram (5 marks)

Excellent (5)

Good (4)

Satisfactory (3)

Borderline (2)

Poor (1)

The interactions between the actor and the system in the Flow of Activities section are
correctly and accurately described.

 

The introduction, which represents the triggering event, and the conclusion steps are
included in the Flow of Activities section.

 

The data entered by the actor and recorded by the system are accurately described.

 

2. Class diagrams (5 marks)

Excellent (5)

Good (4)

Satisfactory (3)

Borderline (2)

Poor (1)

The relationships between diagram symbols is accurately specified.
The diagram is described appropriately.

 

3. DFD (5 marks)

Excellent (5)

Good (4)

Satisfactory (3)

Borderline (2)

Poor (1)

All 5 arrows are correctly explained

 

4. Class diagrams (5 marks)

Excellent (5)

Good (4)

Satisfactory (3)

Borderline (2)

Poor (1)

The classes are correctly identified

 

The multiplicities of the associations between classes are correctly specified

 

The relationships between classes are accurately specified

 

5. Diagram (5 marks)

Excellent (5)

Good (4)

Satisfactory (3)

Borderline (2)

Poor (1)

The knowledge of diagram is correctly applied

 

The statement written to represent the diagram is correctly and accurately described

 

6. Class diagrams (5 marks)

Excellent (5)

Good (4)

Satisfactory (3)

Borderline (2)

Poor (1)

The classes are correctly identified and appropriately included

 

The relationships between classes are accurately specified

 

The multiplicities of the associations between classes are correctly identified

 

7. System sequence diagrams (5 marks)

Excellent (5)

Good (4)

Satisfactory (3)

Borderline (2)

Poor (1)

The interactions between the actors and the system are accurately described

 

The events included in the sequence diagrams are appropriately listed

 

The narrative description is complete

 

8. E-R models (5 marks)

Excellent (5)

Good (4)

Satisfactory (3)

Borderline (2)

Poor (1)

The entities are correctly identified and appropriately included

 

The E-R Model notations are correctly used

 

The multiplicities of the associations between entities are correctly identified

 

The relationships between entities are correctly represented

 

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