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29 Cards in this Set
- Front
- Back
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Agile Approach
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an approach to systems development that is normally iterative and that focuses on keeping with certain best practices
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Attributes
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Data items belonging to objects
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Big-design-up-front
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An apporach to systems development that focuses on producing initial plans and designs that are not subject to much change during the design and implementation phases
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Bottlenecks
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weaknesses in a system where small changes can result in major improvements in performance
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Canned software packages
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software packages purchased from a vendor
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Cost effectiveness
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The benefits of a design should exceed its costs
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Decision flow diagram
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graphic technique that emphasizes the chain of decisions relating to a particular subsystem
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Dedicated software package
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a commercially available software package that is intended for a narrow audience
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Detailed design proposal
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everything necessary to actually implement a design project, including timetables, a budget, personnel requirements, and design documentation
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Feasibility
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design criterion that it must be possible to actually implement the design specifications
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Forms design
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the process of designing specific forms
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Information needs analysis
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analysis of specific decisions made by managers in terms of the information inputs
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Integration
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design criteria that mean the avoidance of collectin and maintaining the same data items in more than one place
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Iterative Approach
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An approach to systems development in which the initial plans and designs are subject to revision as the project develops
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Key success factors
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characterisitics that distinguish a company from its competitors and are the keys to its success
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Methods
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things that objects do
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Rapid application development
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an approach to systems software development that combines iterative and structured approaches
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(SaaS) Software as a Service
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a software application, suite of applications, or software services that are delivered over the internet. Entire accounting systems are delivered as SaaS
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Standardization
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Design criteria that all data items are to be entered in a standard format and assigned a common name when used in more than one place
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Steering Committee
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committee representing top management and all major functional areas within the organization that is charge with guiding the overall systems development effort
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Strategic systems plan
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a written document that incorporates both short- and long-run goals relating to the company's systems development effort
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Structured English
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a special language for describing process logic that uses several key words, including IF,THEN, ELSE IF, and SO
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Structured systems analysis
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an approach to systems analysis that begins with a very general description of a particular system and then proceeds through a logically related set of steps, each increasing in detail
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Systems analysis
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the process of understanding existing systems and problems, describing information needs, and establishing priorities for further systems work
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Systems development life cycle
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The concept that every systems development project goes through essentially the same process or life cycle of systems analysis, systems design, and implementation
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Systems Planning
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Identifying subsystems within the information system that need special attention for development
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Turnkey systems
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computer packages that meet the specific needs of an individual situation with minimal design work
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Upwardly compatible
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computer hardware that is easily upgradeable to a larger or faster model without losing existing data or programs
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Waterfall approach
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a synonym for the big-design-up-front approach to systems development
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