ch5 - ch5 True/False Indicate whether the statement is true...

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ch5 True/False Indicate whether the statement is true or false. ____ 1. An external agent is a person or organizational unit that supplies or receives data from the system. ____ 2. The system’s reaction to an event is called a use case. ____ 3. Cardinality can be established for only one direction of the relationship. ____ 4. The UML problem domain class symbol is a rectangle with three sections. ____ 5. Unified Modeling Language (UML) provides diagramming standards for models used in the object-oriented approach to systems development. ____ 6. The focus on external events is inappropriate when working with end users. ____ 7. Real-time systems require the system to react immediately to events in the environment. ____ 8. When describing external events, it is unnecessary to name the event. ____ 9. Important external events can result from the wants and needs of people or organizational units inside the company. ____ 10. A state event is an event that occurs as a result of reaching a point in time. ____ 11. The analyst begins identifying state events by asking about the specific deadlines that the system must accom- modate. ____ 12. A state event is an event that occurs when something happens outside the system that triggers the need for processing. ____ 13. The way to determine whether an occurrence is an event or part of the interaction following an event is by asking whether any long pauses or intervals occur. ____ 14. One technique used to help decide which events apply to controls is to assume that technology is perfect. ____ 15. A domain model class diagram is used to show data entities in the traditional approach to development. ____ 16. Class names always begin with a capital letter, and attribute names always begin with a lowercase letter. ____ 17. An elementry business process (EBP) is a task performed by one person, in one place, in response to a busienss event. ____ 18. One technique used to identify use cases is to identify actors or users and describe the goals they have in us- ing the system. ____ 19. An actor is always inside the automation boundary of the system. ____ 20. A scenario is a unique set of internal activities within a use case that represents a unique path through the use case. ____ 21. An intermediate use case description also includes the definitions of preconditions and postconditions. ____ 22. Exception conditions for a workflow are only noted on the fully developed use case descriptions and not on either of the other two (shorter) use case descriptions. ____ 23. A postcondition identifies what must be true upon completion of the use case.
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____ 24. As with use cases, an analyst should ask the users to discuss the types of things that they work with routinely. ____ 25.
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This note was uploaded on 12/29/2010 for the course FCIT 200 taught by Professor Dr.adam during the Spring '10 term at Katholieke Universiteit Leuven.

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ch5 - ch5 True/False Indicate whether the statement is true...

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