What is the difference between QA and QC?

Question

Accepted Answer

QA focuses on preventing defects while QC focuses on identifying and fixing defects.

QA is a proactive process that involves planning, designing, and executing tests to prevent defects from occurring.
QC is a reactive process that involves identifying defects through testing and then fixing them.
QA is focused on the entire software development process, while QC is focused on the testing phase.
Examples of QA activities include requirements analysis, test planning, and test case design. Examples of QC activities include test execution, defect tracking, and reporting.
QA is a continuous process that starts at the beginning of the project and continues throughout, while QC is a discrete process that occurs at specific points in time.
Both QA and QC are important for ensuring high-quality software.

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