A dataflow or activity model: This represents the process as a set of activities, each of which carries out some data transformations. The activities in this model perform human actions. A workflow model: This shows the series of activities in the process along with their inputs, outputs and dependencies.Some examples of the types of software process models that may be produced are: Process models may contain activities, which are part of the software process, software product, and the roles of people involved in software engineering. Models, by their nature, are a simplification, so a software process model is an abstraction of the actual process, which is being described. Software evolution: The software must evolve to meet changing client needs.Ī software process model is a specified definition of a software process, which is presented from a particular perspective.Software validation: The software must be validated to ensure that it does what the customer wants.Software development: The software to meet the requirement must be produced.Software specifications: The functionality of the software and constraints on its operation must be defined.These are four key process activities, which are common to all software processes. Software engineers mostly carry out these activities. The term software specifies to the set of computer programs, procedures and associated documents (Flowcharts, manuals, etc.) that describe the program and how they are to be used.Ī software process is the set of activities and associated outcome that produce a software product.
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