The Apply Your Knowledge section contains four mini-cases. Each case describes a situation, explains your role in the case, and asks you to respond to questions. You can answer the questions by applying knowledge you learned in the chapter.
City Bus Lines
Situation:
City Bus Lines is developing an information system that will monitor passenger traffic, peak travel hours, and equipment requirements. The IT manager wants you to document a process called BALANCE that determines whether extra buses currently are needed on a particular route. The BALANCE process automatically assigns additional buses to that route, but only if all other routes are operating on schedule. In any case, a supervisor can override the automatic BALANCE process if he or she so desires.
1. Create a decision table that describes the bus transfer process.
2. Draw a decision tree that describes the bus transfer process.
3. Name four attributes that you can use to define a data flow in the bus information system.
4. Name four attributes that you can use to define a data store in the bus information system.
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