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  2. V-model (software development) - Wikipedia

    en.wikipedia.org/wiki/V-Model_(software_development)

    In software development, the V-model [2] represents a development process that may be considered an extension of the waterfall model and is an example of the more general V-model. Instead of moving down linearly, the process steps are bent upwards after the coding phase, to form the typical V shape.

  3. Software development process - Wikipedia

    en.wikipedia.org/wiki/Software_development_process

    In software engineering, a software development process or software development life cycle (SDLC) is a process of planning and managing software development. It typically involves dividing software development work into smaller, parallel, or sequential steps or sub-processes to improve design and/or product management .

  4. Software evolution - Wikipedia

    en.wikipedia.org/wiki/Software_evolution

    The evolution speed is a function of the feedback loop structure and other characteristics of the global system. Process simulation techniques, such as system dynamics can be useful in understanding and managing such global process. Software evolution is not likely to be Darwinian, Lamarckian or Baldwinian, but an important phenomenon on its ...

  5. Software architecture - Wikipedia

    en.wikipedia.org/wiki/Software_architecture

    Architecture evolution is the process of maintaining and adapting an existing software architecture to meet changes in requirements and environment. As software architecture provides a fundamental structure of a software system, its evolution and maintenance would necessarily impact its fundamental structure.

  6. Unified Modeling Language - Wikipedia

    en.wikipedia.org/wiki/Unified_Modeling_Language

    A diagram is a partial graphic representation of a system's model. The set of diagrams need not completely cover the model and deleting a diagram does not change the model. The model may also contain documentation that drives the model elements and diagrams (such as written use cases). UML diagrams represent two different views of a system ...

  7. Lehman's laws of software evolution - Wikipedia

    en.wikipedia.org/wiki/Lehman's_laws_of_software...

    In software engineering, the laws of software evolution refer to a series of laws that Lehman and Belady formulated starting in 1974 with respect to software evolution. [1] [2] The laws describe a balance between forces driving new developments on one hand, and forces that slow down progress on the other hand. Over the past decades the laws ...

  8. Software visualization - Wikipedia

    en.wikipedia.org/wiki/Software_visualization

    Software visualization [1] [2] or software visualisation refers to the visualization of information of and related to software systems—either the architecture of its source code or metrics of their runtime behavior—and their development process by means of static, interactive or animated 2-D or 3-D [3] visual representations of their structure, [4] execution, [5] behavior, [6] and evolution.

  9. Waterfall model - Wikipedia

    en.wikipedia.org/wiki/Waterfall_model

    For example, a problem found in the early stages (such as requirements specification) is cheaper to fix than the same bug found later on in the process (by a factor of 50 to 200). [ 17 ] 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 ...