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Quality Assurance (QA)

Simple Definition for Beginners: Quality Assurance (QA) ensures that a product or service meets specified requirements and standards through systematic processes and checks. Common Use Example: When a software company tests its programs to find and fix bugs before releasing them to customers, they are performing quality assurance. Technical Definition for Professionals: Quality Assurance (QA) is a systematic process designed to determine if a product or service meets specified requirements and standards. It involves a set of activities to ensure quality in the processes by which products are developed, tested, and delivered. Key aspects include: · Process-Oriented Approach: o QA focuses on improving and managing processes to ensure that products are developed correctly. It involves defining standards and procedures to prevent defects. · QA Activities: o Planning: Establishing objectives, resources, and procedures for achieving quality goals. o Control: Monitoring processes to ensure they are carried out correctly. o Assurance: Regular audits and evaluations to ensure adherence to standards. o Improvement: Continuously enhancing processes based on feedback and performance data. · Key Components of QA: o Standards and Guidelines: Establishing benchmarks and protocols for processes. o Documentation: Maintaining detailed records of procedures and results to ensure transparency and consistency. o Testing: Conducting various tests to verify that products meet quality standards. o Review and Audit: Periodic assessments to ensure ongoing compliance with quality standards. · QA Methodologies: o Waterfall: A linear and sequential approach where each phase must be completed before the next begins. o Agile: An iterative approach that promotes continuous testing and integration. o Six Sigma: A data-driven approach to eliminate defects and improve processes. o ISO 9001: An international standard specifying requirements for a quality management system (QMS). · Tools and Techniques: o Automated Testing Tools: Software like Selenium, QTP, and JUnit to automate repetitive testing tasks. o Bug Tracking Systems: Tools like JIRA, Bugzilla, and Redmine to log and track defects. o Continuous Integration Tools: Jenkins, Travis CI, and CircleCI to automate the integration and testing process.

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