Difference between Software Process and Software Process Model | Software Engineering

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software process and software process modelDifference between Software Process and Software Process Model,
Software Engineering Notes | Sixth Semester,
BSc.CSIT | Tribhuvan University (TU)

Software Process VS Software Process Model
The systematic approach that is used in software engineering is sometimes called a software process. A software process is a sequence of activities that leads to the production of a software products, while software process models are abstract representations of these process. Difference between Software process and software process model in tabular form are as follows;

Software Process Software Process Model
It is a set of activities and associated results that produce a software product. It is a simplified representation of a software process, presented from a specific perspective.
These activities may involve the development of the software from the scratch, or, modifying an existing system. Software process model may include activities that are part of the software process, software products and the role of people involved in software engineering.
It is a method of developing software. Software process models are abstractions of the process that can be used to explain different approaches to the software development
It is complex and relies on making decisions. Less complex and doesn’t relies on making decisions.
There’s no ideal process and most organizations have developed their own software process. There is some specific software process models.

Generic activities in all software processes are:

  • Specification:– It is the process, where customers and engineers define the software to be produced and the constraints on its operation. (i.e. what the system should do and its development constraints)
  • Development:– It is the process, where the software is designed and programmed. (i.e. production of the software system)
  • Validation:– It is the process, where the software is checked to ensure that it is what the customer requires. (i.e. checking that the software is what the customer wants)
  • Evolution:– It is the process, where the software is modified to adapt it to changing customer and market requirements. (i.e. changing the software in response to changing demands)
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