Term
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Definition
| Making changes to an IS to make its functionality meet changing business needs or to migrateit to different operating environment. |
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Term
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Definition
| Testing performed by the development organization to assess whether the entire system meets the design req. of the users. |
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Term
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Definition
| Testing performed by actual system users with actual data in their work environment. |
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Term
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Definition
| Data moving through an organization or w/in an IS. |
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Term
| Graphical User Interface (GUI) |
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Definition
| Computer interface that enables the user to select pictures, icons, and menus to send instructions to the computer. |
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Term
| Joint Application Design (JAD) |
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Definition
| A special type of a group meeting in which all (or most) users meet with the analyst to jointly define and agree on system req. or designs. |
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Term
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Definition
| The steps by which data is transformed or moved, as well as a description of the events that trigger these steps. |
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Term
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Definition
| A disciplined approach for constructing IS through the use of common methods, techniques, or tools. |
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Term
| Systems Analyst and Design |
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Definition
| The process of designing, building, and maintaining IS. |
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Term
| Systems Development Life Cycle (SDLC) |
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Definition
| A model describing the life of an IS from conception to retirement. |
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Term
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Definition
| The development, testing, and maintenance of applications by users in an organization. |
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Term
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Definition
| The process of purchasing an existing IS from an external organization or vendor. |
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Term
| Object-oriented Analysis and Design (OOA&D) |
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Definition
| Systems development methodologies and techniques based on objects rather than on data and processes. |
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Term
| Rapid Application Development (RAD) |
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Definition
| A 4 phase systems development methodology that combines prototyping, computer-based development tools, special management practices, and close user involvement. |
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