Software Process Models

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Software Process Models

  • The objective of software engineering is to get software with high quality.
  • A structured set of activities required to develop a software system
  • Process is a framework for the tasks that are required to build high-quality software.
  • A software process is a set of activities and associated results, which produces a software product. Software engineers carry out the activities. The common activities ca be categorized into:

Software specification – the functionality of the software and constraints on its operation must be defined.

Software development – the software to meet the specification must be produced.

Software validation – the software must be validated to ensure that it does what the customer wants.

Software evolution – the software must be evolved to meet the changing requirements of customers.

A number of process models have been developed. Each emphasizes different aspects of the software life cycle and each will be appropriate for projects for which the emphasized aspects are important.

To solve real problems in an industry setting, a software engineer or a team of engineers is essential. Include a development strategy that includes layers of defined processes, methods, and tools. Previous section and general measures are also discussed in the previous section. This strategy is often cited.
Based on the nature of the project and application, the methods and tools to be used are chosen. Controls and deliverables that are required.

All software development can be described as a problem-solving loop that consists of four Different stages are faced. Status Quo, Problem Definition, Technological Advances, and Solutions Integration Status “represents the current situation” Problem definition identifies specifics problem to solve; Technological progress solves the problem by implementing something. Technology, and the integration of the solution provides the results that the first solution requested.

Software development is a continuum from the user side. Technology developer. As work progresses toward a complete system, the described steps
The above applies repeatedly to the user’s requirements and the software developer’s technical specifications.

There are various Software development models or methodologies. They are as follows:

  • Waterfall model
  • V model
  • Incremental model
  • Spiral model
  • Iterative model
  • Prototype model
  • RAD model
  • Agile model



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