QA (Quality Assurance) and QC (Quality Control)

QA (Quality Assurance) : Focuses on preventing problems by setting up systems and processes from the start.

QC (Quality Control)  : focuses on physical inspection or testing of the final product to detect defects before it is sent to consumers 

Quality assurance (QA) and quality control (QC) are key parts of management that keep products good, focusing on process-oriented prevention and product-oriented detection

Quality control is operational process to check, test, and ensure that products or services meet quality standards and company specifications before they reach consumers .
This process aims to prevent defects, maintain consistency, and protect the business's reputation


Tasks and Stages of Quality control

Raw material inspection : Checking the quality of the initial material before processing.

Product testing : Conducting sample tests or periodic testing during the production period.

Final evaluation : : Filtering finished goods so that only suitable products pass distribution. 

Quality Assurance (QA)
Proactive focus: Stops mistakes before they happen by planning how work is done.
Process-driven: Looks at the whole system, rules, and steps.
Common tasks: Making rules, staff training, and system checks.