Software Development Process Models

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Software Development Process Models

*Waterfall model

( The waterfall model is a sequential design process, often used in software development processes, in which progress is seen as flowing steadily downwards (like a waterfall ) ( A 'Process Model' to be introduced and followed widely in software engineering to ensure success of the project.

*V model
( A systems development model designed to simplify the understanding of the complexity associated with developing systems.

*Prototyping model

(A systems development method (SDM) in which a prototype (an early approximation of a final system or product) is built, tested, and then reworked as necessary until an acceptable prototype is finally achieved from which the complete system or product can now be developed. ( is an iterative, trial-and-error process that takes place between the developers and the users.

*Operational specification

( operational approach to software development assumes the existence of a formal specification language and processing environment that supports the evolutionary development of specifications into an prototype implementation (Bauer 1976, Balzer 1983, Zave 1984).

*Transformational model

(is an automatable way of ensuring that a family of models is consistent, in a precise sense which the software engineer can define. The aim of using a model transformation is to save effort and reduce errors by automating the building and modification of models where possible.

*Phased development: increments and iteration

(enables customers to have some functionality while the rest is being developed

*Spiral model

(it is a systems development method (SDM) used in information technology (IT). This model of development combines the features of the prototyping and the waterfall model.

*Agile methods

is a group of software development methods based on iterative and incremental development, where requirements and solutions...
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