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23 Cards in this Set
- Front
- Back
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System requirements
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specifications that define the functions to be provided by a system
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Functional requirement
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a system requirement that describes an activity or process that the system must perform
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Nonfunctional requirement
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a characteristic of the system other than activities it must perform or support
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Technical requirement
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a system requirement that describes an operational characteristic related to an organization's environment, hardware, or software
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Performance requirement
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a system requirement that describes an operational characteristic related to workload measures, such as throughput and response time
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Usability requirement
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a system requirement that describes an operational characteristic related to users, such as the user interface, work, procedures, online help, and documentation
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Reliability requirement
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a system requirement that describes the dependability of a system, accounting for such events as service outages, incorrect processing, and error detection and recovery
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Security requirement
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a system requirement that describes user access to certain functions and the conditions under which access is granted
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Mathematical model
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a series of formulas that describe technical aspects of a system
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Descriptive model
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narrative memos, reports, or lists that describe some aspect of the system
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Graphical model
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diagrams and schematic representations of some aspect of a system
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Open-ended questions
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questions that require discussion and do not necessarily have a simple, short answer
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Closed-ended questions
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questions that have a simple, definitive answer
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Workflow
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a sequence of steps to process a business transaction
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Activity diagram
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a type of workflow diagram that describes the user activities and their sequential flow
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Synchronization bar
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a symbol used in an activity diagram to control the splitting or uniting of sequential paths
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Swimlane
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a rectangular area on an activity diagram representing the activities done by a single agent
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Discovery prototype
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a model that is created to verify a concept and then is discarded
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Evolving prototype
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a working model that grows and changes and may become part of a system
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Mock-up
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an example of a final product that is for viewing only, and not executable
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Joint application design (JAD)
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a technique to define requirements or design a system in a single session by having all necessary people participate
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Group support system (GSS)
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a computer system that enables multiple people to participate with comments at the same time, each user on his or her own computer
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Structured walkthrough
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a review of the findings from your investigation and of the models built based on those findings
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