Difference between quality control and quality assurance
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 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”
Difference between Quality Control and Quality Assurance:
|Quality Control (QC)||Quality Assurance (QA)|
|Focus on detection of defects||Focus on prevention of defects|
|Responsibility of specific team||Responsibility of all team|
|It is reactive activity||It is a proactive activity|
|It is related to product||It is related to process|
|It is done at final e.g Final Inspection||It is done from development to final process|
|Fix it whenever it goes wrong||Do it right first time|
|It include inspection as per specification||It include quality audits, Quality Procedures,training etc|
|Increase cost, rejection etc||Overall less cost & less rejection|