What does the term of program quality warranty imply?

What is the QA? It appears to be determined as an operation to guarantee that a company is presenting the most optimal service or outcome to clients. The meaning of the previous concept relates to the definition of QA testing. Yet, one more fact would be worth mentioning for people who get concerned about what is QA test. The program examination and excellence guarantee do not equal concepts. Software quality assurance appears to be a set of criteria for guaranteeing excellence in software sc