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Another issue on the implementation process of product software is the choice, or actually the question, to what extent an implementation method should be used. Implementation methods can on the one hand be used as a guiding principle, indicating that the method serves as a global idea about how the implementation phase of any project should run.
Implementation is defined as a specified set of activities designed to put into practice an activity or program of known dimensions. [1] According to this definition, implementation processes are purposeful and are described in sufficient detail such that independent observers can detect the presence and strength of the "specific set of activities" related to implementation.
A systems development life cycle is composed of distinct work phases that are used by systems engineers and systems developers to deliver information systems.Like anything that is manufactured on an assembly line, an SDLC aims to produce high-quality systems that meet or exceed expectations, based on requirements, by delivering systems within scheduled time frames and cost estimates. [3]
Attempts to reduce inherent project risk by breaking a project into smaller segments and providing more ease of change during the development process. The client is involved throughout the development process, which increases the likelihood of client acceptance of the final implementation.
Project close: Finalize all activities across all of the process groups to formally close the project or a project phase Also included in this phase is the post implementation review. This is a vital phase of the project for the project team to learn from experiences and apply to future projects.
The existing implementation should be analyzed frequently to determine how well it measures up to project goals. Program analysis facilities should be used whenever available to aid in the analysis of partial implementations. User reaction should be solicited and analyzed for indications of deficiencies in the current implementation.
In common practice, waterfall methodologies result in a project schedule with 20–40% of the time invested for the first two phases, 30–40% of the time to coding, and the rest dedicated to testing and implementation. With the project organization needing to be highly structured, most medium and large projects will include a detailed set of ...
Profile of a typical project showing the relative sizes of the four phases of the Unified Process. The unified software development process or unified process is an iterative and incremental software development process framework. The best-known and extensively documented refinement of the unified process is the rational unified process (RUP
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