What is the difference between Quality Assurance (QA) and Quality Control (QC)?

Question

Accepted Answer

QA focuses on preventing defects in the production process, while QC focuses on identifying defects in the final product.

QA is process oriented, focusing on preventing defects by setting up processes and standards.
QC is product oriented, focusing on identifying defects in the final product through inspections and testing.
QA involves activities like process design, training, and audits to ensure quality standards are met.
QC involves activities like product testing, sampling, and inspection to identify defects.
Example: QA would involve creating a checklist for assembly line workers to follow, while QC would involve inspecting the final product for any defects.

Interview Questions Asked to Quality Inspector at Other Companies