Software quality assurance (SQA) systematically finds patterns and the actions needed to improve development cycles. Finding and fixing coding errors can carry unintended consequences; it is possible to fix one thing, yet break other features and functionality at the same time.
SQA has become important for developers as a means of avoiding errors before they occur, saving development time and expenses. Even with SQA processes in place, an update to software can break other features and cause defects — commonly known as bugs.
There have been numerous SQA strategies. For example, Capability Maturity Model Integration(CMMI) is a performance improvement-focused SQA model. CMMI works by ranking maturity levels of areas within an organization, and it identifies optimizations that can be used for improvement. Rank levels range from being disorganized to being fully optimal.
Software development methodologies have developed over time that rely on SQA, such as Waterfall, Agile and Scrum. Each development process seeks to optimize work efficiency.
Waterfall is the traditional linear approach to software development. It’s a step-by-step process that typically involves gathering requirements, formalizing a design, implementing code, code testing and remediation, and release. It is often seen as too slow, which is why alternative development methods were constructed.
Agile is a team-oriented software development methodology where each step in the work process is approached as a sprint. Agile software development is highly adaptive, but it is less predictive because the scope of the project can easily change.
Scrum is a combination of both processes where developers are split into teams to handle specific tasks, and each task is separated into multiple sprints.
To implement a QA system, first set goals for the standard. Consider the advantages and tradeoffs of each approach, such as maximizing efficacy, reducing cost or minimizing errors. Management must be willing to implement process changes and to work together to support the QA system and establish standards for quality.
QA establishes and maintains set requirements for developing or manufacturing reliable products. A quality assurance system is meant to increase customer confidence and a company’s credibility, while also improving work processes and efficiency, and it enables a company to better compete with others.
Testing It involves identifying bug/error/defect in a software without correcting it. Normally professionals with a quality assurance background
It involves identifying, isolating, and fixing the problems/bugs. Developers who code the software conduct debugging upon encountering
QA tends to be focused on measuring and examining quality and improving the software through process improvements, thereby guiding the release to customers.
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