Answer to Question 1
FALSE
Explanation: Invoices and mailing labels are examples of reports.
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Answer to Question 2
Data-flow diagrams can be used to model both the physical and logical systems. Data models can be analyzed to identify possible inconsistencies that exist between two sets of diagrams or within a single DFD. Redundant data flows, procedural redundancies, and inefficiencies can be identified by studying data-flow diagrams.
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