ch 4 t/f – Flashcards
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Use Cases give more detail about requirements.
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true
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A Use Case is a formal way of representing how a business system interacts with its environment.
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true
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Use cases are the same as process diagrams.
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False
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Use cases illustrate the activities that are performed by the users of the system.
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True
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Use cases are always internal and rarely shared or discussed with business users.
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False
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A use case depicts a set of activities performed to produce some output result.
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True
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Use cases are diagrams with three components: selection, process, iteration.
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False
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Use cases are a type of 'event-driven modeling'.
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True
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Use cases are a type of 'data-driven modeling'.
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false
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Each use case contains a fairly complete description of all the activities that occur in response to a trigger event.
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True
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Each use case has a name and a number.
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True
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Each use case has the same name (like "Customer Relationship Management System") followed by an identifying letter ("A", "B", etc.).
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False
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Use cases are always numbered sequentially from start to finish.
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True
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The 'primary actor' is the external user that triggers the event to which the system responds.
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True
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The 'primary actor' is the internal action that occurs based on a SQL query (like: sort, select).
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False
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A trigger is based on cost/benefit analysis, like an employee labor report, a sale of an item, or the purchase of new hardware.
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False
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External triggers might be something like a customer calling a doctor for an appointment or a student registering for a class
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True
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A temporal trigger might be related to time, such as 30 days have passed and a late fee needs to be assessed.
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True
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Use cases will have inputs and outputs.
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True
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The most common ways to gather information for use cases is with questionnaires of the affected users.
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False
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Use cases generally have up to 20 major steps spelled out in great detail.
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False
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Dr. O'Brien's dental office calls a patient three days before an appointment. This could be an example of a temporal trigger.
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True
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Tina is a systems analysis and is describing how a system should react to an event. She is creating a use case
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False
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Liang has identified the payroll authorization office as the primary actor in a use case. This would be incorrect as primary actors need to be singular like a customer or a patient or a student.
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False
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Project managers, business analysts and systems analysts create all use cases without user input.
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False
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The final step in Building Use Cases is to use a CASE analysis tool to verify that the inputs and outputs are discrete items triggered by external events.
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False
