What is Software Quality Assurance and Its Process
What is Software Quality Assurance and Its Process: The Software Quality Assurance can be defined as the process to ensure that the developed software meets with the standardized quality specifications. Under this process, the quality of the software is evaluated and it is an ongoing process within the life cycle of the software development. The developed software is checked routinely to ensure that it meets the desired measures of quality. It includes a set of activities in the software product such as software development methodology, configuration management, software design, testing, requirements management and many more. The main reason behind this process is that the development maintenance process should continue to be improved to develop software products meeting specifications.
This process helps in ensuring the development of high quality software. In most types of development, the practices of the Software Quality Assurance are implemented, regardless of the model of the underlying software being used. In a broad sense, we can say that this process implements the methodologies of the software testing to test software. Until the software gets completed, the SQA processes the tests for quality in each phase of the development. The entire software development process is encompassed by the SQA which include processes such as software design, code reviews, software configuration management and many more.
Software Quality Assurance Process
Defect Auditing: The defect auditing can be defined as a process to find the defects in the application under development by testing and making new versions, so that the defects can be fixed. It is defined as an important process in the software quality assurance process. The main challenging factor in this process is to manage, evaluate and prioritize these defects. Some of the parameters of the defect auditing are defect ID, severity, created by, priority, assigned to, created date, resolved by, resolved date and status.
Defect Reduction: The defects in the software can be reduced by prevention as you have heard many times that prevention is better than cure. However, if a defect arises in the software, it should be diagnosed as early as possible. There are five general activities to prevent an defect:
- Software requirement analysis: The errors in the software design documents and software requirements are more prone than in the source code itself. It is evident that most of the failures in the software products occur because of the errors in the requirements and design phases. The proper process of analyzing the requirements can reduce and prevents the defects.
- Reviews: In order to reduce the defects, self review and peer reviews are one of the most effective activities. It helps to reduce the defects related to the incorrect logic, algorithm implementations and certain missing conditions.
- Defect Documentation and Logging: A systematic process is the starting of the effective defect tracking, which begins initially logging the defects and investigating the effects. The vital information regarding the defects such as phase at which it is found and correct description of the defects is documented by a defect logging tool.
- Analysis of root cause: After the documenting process, there is a need to analyze the defects. This process is driven by three main principles i.e. applying the local expertise, reduction of the defects to increase the quality and targeting the systematic errors.
- Implementation of Procedures: In a defect reduction process, implementation is the most difficult task because it requires the total commitment from the development management and team. There is a need for plan of deployment of all the modifications of the existing processes to the management team’s consent.
The defect reduction is not an individual task because it is a team effort. The team should work to improve its processes by minimizing resolution team and identifying defects early.
Defect Containment: The process of finding bugs or defects early in the process of SDLC can be defined as the Defect Containment. It is the act of the containing defects in one phase of software development before they move to subsequent phases. There are many different activities in the process of defect containment:
- Static Analysis: This activity involves the analyzing code for the formatting errors and specific coding.
- Code Reviews: This step is performed to make sure that there are security and better accountability.
- Code Complete Criteria: It is a consistent standard handoff to test team.
Statistical Quality Assurance
The Statistical Quality Assurance involves various steps stated below:
- In the first step, the information about the defects of the software is categorized and collected.
- Every defect is traced back to the root of the cause.
- In the third step, the isolation of the major defect causes is performed by using the Pareto principle.
- At last, move to the correct the problems that caused the defects.
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