ch 4 t/f

question

Use Cases give more detail about requirements.
answer

true
question

A Use Case is a formal way of representing how a business system interacts with its environment.
answer

true
question

Use cases are the same as process diagrams.
answer

False
question

Use cases illustrate the activities that are performed by the users of the system.
answer

True
question

Use cases are always internal and rarely shared or discussed with business users.
answer

False
question

A use case depicts a set of activities performed to produce some output result.
answer

True
question

Use cases are diagrams with three components: selection, process, iteration.
answer

False
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Use cases are a type of ‘event-driven modeling’.
answer

True
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Use cases are a type of ‘data-driven modeling’.
answer

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.
answer

True
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Each use case has a name and a number.
answer

True
question

Each use case has the same name (like “Customer Relationship Management System”) followed by an identifying letter (“A”, “B”, etc.).
answer

False
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Use cases are always numbered sequentially from start to finish.
answer

True
question

The ‘primary actor’ is the external user that triggers the event to which the system responds.
answer

True
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The ‘primary actor’ is the internal action that occurs based on a SQL query (like: sort, select).
answer

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.
answer

False
question

External triggers might be something like a customer calling a doctor for an appointment or a student registering for a class
answer

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.
answer

True
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Use cases will have inputs and outputs.
answer

True
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The most common ways to gather information for use cases is with questionnaires of the affected users.
answer

False
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Use cases generally have up to 20 major steps spelled out in great detail.
answer

False
question

Dr. O’Brien’s dental office calls a patient three days before an appointment. This could be an example of a temporal trigger.
answer

True
question

Tina is a systems analysis and is describing how a system should react to an event. She is creating a use case
answer

False
question

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.
answer

False
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Project managers, business analysts and systems analysts create all use cases without user input.
answer

False
question

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.
answer

False

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