What is Quality Control ?

• Quality control, or QC for short, is a process by which entities review the quality of all factors involved in production.
•  ISO 9000 defines quality control as "A part of quality management focused on fulfilling quality requirements".
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• Quality control emphasizes testing of products to uncover defects and reporting to management who make the decision to allow or deny product release.
• Quality assurance attempts to improve and stabilize production (and associated processes) to avoid, or at least minimize, issues which led to the defect(s) in the first place.
•  For contract work, particularly work awarded by government agencies, quality control issues are among the top reasons for not renewing a contract.