What is the difference between Quality Control vs Quality Assurance?

Career: Quality Control

AspectQuality ControlQuality Assurance
FocusDetecting defects in products or servicesPreventing defects through process improvements
ActivitiesInspections, testing, samplingProcess audits, standards development
CredentialsOften requires technical training or certifications in testingCertifications like ISO, Six Sigma are common
Work EnvironmentLaboratory, production lines, manufacturingProcess development, documentation, audits

While Quality Control focuses on identifying defects after production, Quality Assurance aims to prevent defects through process improvements. Both roles are essential for maintaining product quality, but they differ in approach and activities.