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Systems Analysis and Design
Chp 3
16
Computer Networking
Undergraduate 4
04/17/2012

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Cards

Term
Use Case
Definition
an activity that the system performs, usually in response to a request by a user
Term
User goal technique
Definition
a technique to identify use cases by determining what specific goals or objectives must be completed by a user
Term
Event decomposition technique
Definition
a technique to identify use cases by determining the external business events to which the system must respond
Term
Elementary business processes (EBPs)
Definition
the most fundamental task in a business process, which leaves the system and data in a quiescent state; usually performed by one person in response to a business event
Term
Event
Definition
something that occurs at a specific time and place can be precisely identified and must be remembered by the system
Term
External event
Definition
an event that occurs outside the system, usually initiated by an external agent
Term
Actor an external agent
Definition
a person or group that interacts with the system by supplying or receiving data
Term
Temporal event
Definition
an event that occurs as a result of reaching a point in time
Term
State event
Definition
an event that occurs when something happens inside the system that triggers some process
Term
System controls
Definition
checks or safety procedures to protect the integrity of the system and the data
Term
Perfect technology assumption
Definition
the assumption that a system runs under perfect operating and technological conditions
Term
CRUD technique
Definition
an acronym for create, read/report, update, and delete; a technique to validate or refine use cases
Term
Brief use case description
Definition
an often one-sentence description that provides a quick overview of a use case
Term
Use case diagram
Definition
the UML model used to graphically show use cases and their relationships to actors
Term
Automation boundary
Definition
the boundary between the computerized portion of the application and the users who operate the application but are part of the total system
Term
<> relationship
Definition
a relationship between use cases in which one use case is stereotypically included within the other use case
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