PERSONAL TRAINER, INC... OWNS AND OPERATES FITNESS CENTERS




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.
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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.

Assignment

Prepare a context diagram for the new system.
Prepare a diagram 0 DFD for the new system.
Write a brief memo that explains the importance of leveling a set of DFDs.
Write a brief memo that explains the importance of balancing a set of DFDs.
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