21 Aug Cace Study
Case study- assignment 4
For this assignment, you will need to perform all of the tasks in the Case Study: Personal Trainer, Inc. for Chapters 5 and 6
Personal Trainer, Inc. owns and operates fitness centers in a dozen Midwestern cities. The centers have done well, and the company is planning an international expansion by opening a new “supercenter” in the Toronto area. Personal Trainer’s president, Cassia Umi, hired an IT consultant, Susan Park, to help develop an information system for the new facility. During the project, Susan will work closely with Gray Lewis, who will manage the new operation. Background Susan Park has completed a preliminary investigation and performed the fact-finding tasks that were described in Chapters 2 and 4. Now, she will use the results to develop a logical model of the proposed information system.
Tasks
Before you perform the following tasks, you should review the information provided in Chap-ters 2 and 4 of the case.
1. Prepare a context diagram for the new system.
2. Prepare a diagram 0 DFD for the new system.
3. Write a brief memo that explains at least five attributes that you can use to define a process in the order system.
4. Write a brief memo that explains at least five attributes that you can use to define an entity in the order system.
Personal Trainer, Inc. owns and operates fitness centers in a dozen Midwestern cities. The centers have done well, and the company is planning an international expansion by opening a new “su-percenter” in the Toronto area. Personal Trainer’s president, Cassia Umi, hired an IT consultant, Susan Park, to help develop an information system for the new facility. During the project, Susan will work closely with Gray Lewis, who will manage the new operation.
Background Working as an IT consultant for Personal Trainer, Susan Park used data and process modeling tools to create a logical model of the proposed information system. Now she wants to build an object-oriented view of the system using O-O tools and techniques. Before you perform the fol-lowing tasks, you should review the information and background in Chapters 1 and 2, and the fact-finding summary of the case provided in Chapter 4. Tasks 1. Identify possible actors and use cases involved in Personal Trainer’s operations.2. Create an object relationship diagram for the Personal Trainer information system.3. Create a use case diagram for the system.4. Select one of the use cases and create a sequence diagram and a state transition diagram.
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