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

As per ISO 9001:2015 standard Clause 3.3.7, Quality control is ” Part of quality management focused on fulfilling quality requirement.”

Quality Assurance:

Quality assurance is the activity of providing evidence to establish confidence that quality requirement 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 ensure do it right first time.

As per ASQ, quality assurance is the planned and systematic activities implemented in a quality system so that quality requirement 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 detection of defectsFocus on prevention of defects
Responsibility of specific teamResponsibility of all team
It is reactive activityIt is a proactive activity
It is related to productIt is related to process
It is done at final e.g Final InspectionIt is done from development to final process
Fix it whenever it goes wrongDo it right first time
It include inspection as per specificationIt include quality audits, Quality Procedures,training etc
Increase cost, rejection etcOverall less cost & less rejection

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