Describe the fundamental difference between Quality Assurance and Quality Control?
Quality Control is related to a specific product or service
Quality Control verifies whether specific attribute are in, or are not in, a specific product or service
Quality Control identifies defects for the primary purpose of correcting defects
Quality Control is the responsibility of the team/worker
Quality Control is concerned with a specific product.
Quality Control (QC) – Is a part of the Quality Assurance procedures
Quality control is a technical function.
Quality control (QC) is corrective process.
Quality Assurance helps establish processes
Quality Assurance sets up measurement programs to evaluate processes
Quality Assurance identifies weaknesses in processes and improves them
Quality Assurance is a management responsibility, frequently performed by a staff function
Quality Assurance is concerned with all of the products that will ever be produced by a process
Quality Assurance personnel should not ever perform Quality Control unless it is to validate Quality Control
Quality assurance is a system of management activities.
Quality assurance (QA) is preventive process.
Quality assurance (QA) applies to the entire life cycle
QA is process oriented and QC is product oriented
A quality system provides the framework for developing quality assurance policy
Quality Assurance (QA) Consists of planning, coordinating and other
strategic activities associated with measuring product quality against
external requirements and specifications (process-related activities).
Quality Control (QC) Consists of monitoring, controlling and other
tactical activities associated with the measurement of product quality goals.
The following statements help differentiate Quality Control from Quality Assurance:
McCall’s Quality Factors :
Correctness, Reliability, Efficiency, Integrity, Usability, Maintainability, Testability,
Flexibility, Portability, Reusability, Interoperability.
Factors in Software Quality by J. A. McCall, P. K. Richards, and G. F. Walters. Vol. 1, ADA 049014.
National Technical Information Service
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END Difference between Quality Assurance and Quality Control Interview Question.
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