What is the difference between quality assurance, quality control, and testing?

Question

Accepted Answer

Quality assurance focuses on preventing defects, quality control focuses on identifying and fixing defects, and testing is a process of evaluating a system or component.

Quality assurance is a proactive process that involves establishing and maintaining standards and processes to prevent defects.
Quality control is a reactive process that involves inspecting and testing products to identify and fix defects.
Testing is a process of evaluating a system or component to determine if it meets specified requirements.
Quality assurance and quality control are part of the overall quality management system, while testing is a specific activity within quality control.
Example: In software development, quality assurance involves defining and implementing processes and standards to ensure the software is developed correctly. Quality control involves conducting inspections and tests to identify and fix defects in the software. Testing involves executing test cases to verify the functionality and performance of the software.

Accepted Answer

QA vs. QC comes down to how they vary regarding intent. Quality assurance focuses on how you  maintain quality.

What is the difference between quality assurance, quality control, and testing?

Popular interview questions of Quality Test Engineer