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A development approach that completes parts of a system in several iterations and then puts them into operation for users.
The initial activities of the SDLC, whose objective is to identify the scope of the new system and plan the project.
The activities of the SDLC whose objective is to understand the user needs and develop requirements.
A planned undertaking that has a beginning and an end and that produces a desired result or product.
Systems Development Life Cycle (SDLC)
The entire process of building, deploying, using, and updating an information system.
An SDLC approach that assumes the development project can be planned and organized in advance and that the new information system can be developed according to the plan.
An adaptive SDLC approach that cycles over and over again through development activities until a project is complete.
System development process in which work activities--analysis, design, implementation--are done once, then again, and yet again on different system components; they are repeated until the system is closer to what is ultimately needed.
The portion of the new information system that satisfies the user's needs in the problem domain.
The activities of the SDLC during which the system is programmed and installed
Related system development activities, which are grouped into categories of project planning, analysis, design, implementation, and support.
An SDLC approach that assumes the various phases of a project can be completed sequentially - one phase leads (falls) into the next phase.
An approach to system development that views an information system as a collection of interacting objects that work together to accomplish tasks.
The activities of the SDLC whose objective is to keep the system running productively after it is installed.
The availability of support staff to assist users with any technical or processing problem associated with an information system.
System Development Methodology
Comprehensive guidelines to follow for completing every activity in the systems development life cycle, including specific models, tools, and techniques.
Integrated Development Environments (IDE)
Tools that help programmers with a variety of programming tasks.
Visual Modeling Tools
Tools that help the analyst create and verify important system models, often generating program code.
A collection of guidelines that help an analyst complete a system development activity or task.
Object-Oriented Analysis (OOA)
Defining all of the types of objects that do the work in the system and showing what use cases are required to complete tasks.
Object-Oriented Design (OOD)
Defining all of the types of objects necessary to communicate with people and devices in the system, showing how objects interact to complete tasks, and refining the definition of each type of object so it can be implemented with a specific language or environment.
Object-Oriented Programming (OOP)
Writing statements in a programming language to define what each type of object does, including the messages that the objects send to each other.
A graphical model used in the object-oriented approach to show classes of objects in the system.
Unified Process (UP)
An object-oriented system development methodology offered by IBM's Rational Software
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