Difference between quality control and quality assurance

QA & QC, Quality Control, Quality Assurance

Quality Control:

Quality control is a process employed to ensure a certain level of quality in a product and process. It may include whatever actions an industry takes to provide for the control and verification of certain characteristics of a product and process. The basic goal of quality control is to ensure that the product meets specific requirements.

As per ISO 9001:2015 standard Clause 3.3.7,

Quality control is ” Part of quality management focused on fulfilling the quality requirement.”

Quality Assurance:

Quality assurance is the activity of providing evidence to establish confidence that quality requirements will be met. It also means assuring the customer that he can purchase a product with confidence. Quality assurance covers all activities from design, development, production, documentation, verification and validation. Quality assurance ensures do it right the first time.

As per ASQ, quality assurance is the planned and systematic activities implemented in a quality system so that the quality requirements for a product or service will be fulfilled.

As per ISO 9001:2015 standard Clause 3.3.6,

Quality Assurance is ” Part of quality management focused on providing that confidence that quality requirements will be fulfilled”

Quality control,quality assurance

Difference between Quality Control and Quality Assurance:

Quality Control (QC)Quality Assurance (QA)
Focus on the detection of defectsFocus on the prevention of defects
Responsibility for a specific teamResponsibility for all team
It is a reactive activityIt is a proactive activity
It is related to the productIt is related to the process
It is done at the final e.g Final InspectionIt is done from development to the final process
Fix it whenever it goes wrongDo it the right first time
It includes inspection as per the specificationIt includes quality audits, Quality Procedures, training etc
Increase cost, rejection etcOverall less cost & less rejection
There are chances of defect skipIt provides confidence in the quality

Leave a Comment