Exam 2: Representation and Patterns

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For what purposes should an enterprise use the REA enterprise ontology?

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The primary goal is to provide a structure for an enterprise-wide database in which to store disaggregated transaction data; REA also facilitates high-level strategic analysis, provides a means for identifying artificial constructs that may be targets for re-engineering, and provides a common building block that may facilitate system integration.

Which of the following objects is an economic event?

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C

Explain how an object and/or script pattern helped you in the past to understand something in your life. In your essay, be sure to describe the pattern you applied, the situation in which you applied it, and how the pattern was helpful.

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Answers will vary based on students' personal experiences but should include the use of the pattern to apply past experiences to new situations and allowed them to make predictions as to what to expect in the new situation.

In database design, categories of objects are referred to as

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Which of the following is not part of the business-entrepreneur script?

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Which of the following are considered agents in the REA ontology?

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For which of the following reasons should we build models when designing systems?

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The REA in the REA Enterprise Ontology stands for "Relationships between Entities and Attributes."

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_______ allow people to make predictions about future events and to make sense of the present.

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Which of the following objects belongs in an object pattern for an elementary school located in Minnesota?

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Something that has economic value but has no physical substance and is consumed by an enterprise's operations is a resource in the REA ontology.

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A value chain level REA model focuses on the resource flows between interconnected business processes and on the economic events that accomplish the resource flows.

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A business process level REA model focuses on one or more transaction cycles in an enterprise's value chain, expanding the representation to include various types of resources, events, agents, and relationships among them.

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The "E" in REA enterprise modeling stands for

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A value system level REA model focuses on the individual steps involved in accomplishing events in an enterprise.

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What is the primary deliverable expected to be attained using the REA enterprise ontology?

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System flowcharts, data flow diagrams, and fishbone diagrams are examples of Representations at which level of the REA enterprise ontology?

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Representation and modeling are important for understanding enterprise information systems.

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The script patterns we develop based on past experiences help us more often than not in understanding our present and future experiences.

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Consider the following items: A red Volkswagon Beetle belonging to Cheryl VanBuren A red Corvette belonging to Walter Cherrington A blue Z71 pickup truck belonging to Jim Joseph A green Volkswagon Beetle belonging to Amy Patrick A red Corvette belonging to Chris Wolverine A blue Z71 pickup truck belonging to Mary Craig To represent these items in a conceptual model at the type level, which symbol is most appropriate?

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