Quality Assurance (QA) and Quality Control (QC) are two different terms that are often used interchangeably. However, there are clear differences in both these concepts.
QA seeks to avoid faults with an emphasis on the procedure used to produce the product. It is a pre-emptive (proactive) value procedure.
QC seeks to detect (and correct) faults in the completed product. Quality control, hence, is a permissive (proactive) procedure.
The target of QA is to enhance development and assessment procedures so that flaws do not occur while the product is being formed or used.
The target of QC is to detect faults next to a product being formed and before it’s released.
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