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Chapter 7
Enter
expense report
AND connector

192 Expense report Hard copy
recorded filed

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FIGURE 7-7 AND connector in an EPC diagram

The OR connector indicates that one or more potential outcomes could occur; it is
not exclusive. Figure 7-8 shows an application of the OR connector, which indicates that
after a payment is processed, the salesperson is notified, or the sales manager is notified,
or both the salesperson and sales manager are notified.

Process
payment
OR connector

Salesperson Sales manager
notified notified

Source Line: Course Technology/Cengage Learning.
FIGURE 7-8 OR connector in an EPC diagram

Figure 7-9 shows how the XOR connector can be used to represent the manager’s
decision on whether to approve the expense report. Unlike the OR connector, the XOR
connector is exclusive; only one event can occur after an XOR connector. Figure 7-9
indicates that only one event can occur after reviewing the expense report: it is approved
or it is not approved.

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