QA QC definition
Definition. QA is a set of activities for ensuring quality in the processes by which products are developed. QC is a set of activities for ensuring quality in products. The activities focus on identifying defects in the actual products produced.uality control is usually the responsibility of a specific team that tests the product for defects. Example. Verification is an example of QA. Validation/Software Testing is an example of QC. Statistical Techniques. Statistical Tools & Techniques can be applied in both QA & QC.