What is the difference between Quality Assurance and Quality Control?

Software Quality Assurance Questions



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What is the difference between Quality Assurance and Quality Control?

Quality Assurance (QA) and Quality Control (QC) are two distinct processes in software development that aim to ensure the quality of the final product.

Quality Assurance refers to the systematic activities implemented in a project to ensure that the processes used to develop and deliver the software are effective and efficient. It focuses on preventing defects and issues by establishing standards, processes, and procedures. QA involves activities such as defining quality standards, creating test plans, conducting reviews, and implementing process improvements. The goal of QA is to ensure that the software development process is reliable and consistent, leading to a high-quality end product.

On the other hand, Quality Control is the process of evaluating the final product to identify defects and ensure that it meets the specified requirements. QC involves activities such as testing, inspecting, and reviewing the software to identify any deviations from the expected quality. It focuses on detecting and correcting defects before the software is released to the end-users. The goal of QC is to verify that the software meets the desired quality standards and is fit for its intended purpose.

In summary, while Quality Assurance focuses on preventing defects by establishing effective processes, Quality Control focuses on identifying and correcting defects in the final product. QA is a proactive approach, whereas QC is a reactive approach to ensure software quality.