3 ms·QA is checking that your output is good. QC is making sure that your output is good before it gets to QA.by rkangel 9y agoQA is checking that your output is good. QC is making sure that your output is good before it gets to QA.pbhjpbhj 9y agoEither you or I have it back to front.dilemma 9y agoIt's actually the reverse.