What is the difference between QA & QC?

Question

Accepted Answer

QA (Quality Assurance) focuses on preventing defects, while QC (Quality Control) focuses on identifying and fixing defects.

QA is a proactive process that ensures quality standards are met throughout the entire development process.
QC is a reactive process that involves inspecting and testing the final product to identify defects.
QA involves activities like creating test plans, conducting reviews, and implementing quality standards.
QC involves activities like conducting inspections, performing tests, and analyzing product samples.
QA aims to prevent defects by focusing on process improvement and adherence to quality standards.
QC aims to identify and fix defects by detecting deviations from quality standards.
Example: In software development, QA involves activities like code reviews, unit testing, and system testing.
Example: In manufacturing, QC involves activities like product inspections, quality audits, and statistical process control.

Accepted Answer

QC means quality control of a running process material by time to time laboratory report. But QA means quality assurance of product material by laboratory testing compared with a previous given specifications.

What is the difference between QA & QC?

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