What Is The Difference Between QA And QC?

What Is The Difference Between QA And QC?

1 Answer

  1. Well there’s a clear difference between control and assurance which leads us up to identifying the difference between quality control(QC) and quality assurance(QA). While the aim of QC is to identify the defects on the other hand the purpose of QA is to prevent a defect. Quality Assurance is a proactive process and is Prevention in nature. It recognizes flaws in the process. Quality Assurance has to complete before Quality Control. While, Quality Control is a reactive process and is detection in nature. It recognizes the defects. Quality Control has to complete after Quality Assurance.
    Sometimes these two terms are confused to be same but the fact is both are related to each other but they are different in origins.
    QA is the technique of managing quality. It does not involve executing the program while QC always involves executing the program. All team members are responsible for QA while only testing team is responsible for QC. An example of QA is Verification and an example of QC is Validation.
    Statistical Technique used on both QC and QA is known as Statistical Process Control (SPC.)
    Hence now you know that, QA and QC both are part of Quality Management however QA is focusing on preventing defect while QC is focusing on identifying the defect.

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