The term quality assurance (QA) has the following meanings:
All actions taken to ensure that standards and procedures are adhered to and that delivered products or services meet performance requirements.
The planned systematic activities necessary to ensure that a component, module, or system conforms to established technical requirements.
The policy, procedures, and systematic actions established in an enterprise for the purpose of providing and maintaining a specified degree of confidence in data integrity and accuracy throughout the lifecycle of the data, which includes input, update, manipulation, and output.
