Systems Analysis Project Instructions

Deliverable 5: System Diagrams

Systems Diagrams Scenario

You've completed the project proposal and sent it your client. Your boss, Bill Lumbergh, stops by your

cubicle to let you know that the prospective client was very impressed with your proposal. Now the client

wants to see your proposed use case and activity diagrams for the system. Your boss asks you to write a

use case narrative, then create use case and activity diagrams to share with the client.

Systems Diagrams Instructions

MIS

320

1. Make a list of five or more major use cases for the system. (Major use cases are identified by

analyzing business processes and functions.)

A Use Case is an activity the system performs in response to a user request. Chapter 8 of the

textbook gives more detail on how to identify the use cases for the system.

2. Of the possible use cases you have identified, choose the most crucial use case to the functioning of

the system. Write a use case narrative describing that use case. There are three levels of detail for

use cases: casual, brief, and fully dressed. This use case narrative should be written at the fully

dressed level.

See Chapter 8 - Table 8-2 on page 216 of the textbook for a description of the sections you

need to include in a fully dressed use case narrative.

3. Create a use case diagram for the use case you identified as crucial to the functioning of the system.

The lecture module "Creating UML Diagrams" explains use case diagrams. You can also find

an example of a use case diagram in Chapter 8 of the textbook, on page 215, Figure 8-2.

4. Create an activity diagram for the use case you identified as crucial to the functioning of the system.

• Section 2.4 in Chapter 2 of the textbook describes how to create activity diagrams.