QA vs QC vs Testing — a practical guide to QA vs QC vs testing with clear examples you can reuse in real projects.
QA Testing Tutorial Series (3/112). Prefer one article? Read the complete QA testing tutorial.
Short description
QA is process-focused prevention; QC is product-focused detection; Testing is a QC activity that executes checks.
Quick compare
QA → prevent defects (process)
QC → detect defects (product)
Testing → execute checks / find issues