What is the difference bt QA and QC

Answer Posted / preethi

QA:A planned and systematic set of activities necessary to
provide adequate confidence that requirements are properly
established and products or services conform to specified
requirements.


QC:The process by which product quality is compared with
applicable standards; and the action taken when
nonconformance is detected.

QA:An activity that establishes and evaluates the processes
to produce the products.


QC:An activity which verifies if the product meets
pre-defined standards.

QA:Helps establish processes.


QC:Implements the process.

QA:Sets up measurements programs to evaluate processes.


QC:verifies if specific attribute(s) are in a specific
product or service

QA:Identifies weaknesses in processes and improves them.


QC:Identifies defects for the primary purpose of correcting
defects.

QA is the responsibility of the entire team.


QC is the responsibility of the tester.

Prevents the introduction of issues or defects


Detects, reports and corrects defects

QA evaluates whether or not quality control is working for
the primary purpose of determining whether or not there is a
weakness in the process.


QC evaluates if the application is working for the primary
purpose of determining if there is a flaw / defect in the
functionalities.

QA improves the process that is applied to multiple products
that will ever be produced by a process.


QC improves the development of a specific product or service.

QA personnel should not perform quality control unless doing
it to validate quality control is working.


QC personnel may perform quality assurance tasks if and when
required.

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