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Quality control (QC) is a procedure or set of procedures intended to ensure that a manufactured product or performed service adheres to a defined set of quality criteria or meets the requirements of the client or customer.
quality is relited to work according the inetnational standar organisation ISO , to improuve the way of working to achive the 0 error.
the Quality Control is a product based approach. Quality Control is concerned with the operational activities and techniques that are used to fulfill the requirements of quality. The Quality Control functions start once the projects work has begun. It is a reactive approach and helps to find defects in deliverables. Site inspection and testing are few examples of the Quality Control Process.
The main purpose of the Quality Control Process is to see if the deliverables are defect free, and acceptable as per quality requirements and standards set in the Quality Assurance process. If deliverables are not as per the requirements, suitable corrective action will be taken. Quality Assurance and Quality Control processes are dependent on each other. The Quality Control receives the input from the Quality Assurance, and in turns gives feedback to the Quality Assurance so that Quality Assurance could validate the process. For example, if the project team finds any defects while executing the project, it will correct the error by work around, and this feedback is sent to Quality Assurance for further investigation to take corrective actions in the process so that this error should never happen again in future. In the same way the Quality Control people will follow the process defined by Quality Assurance so that these defects do not recur.
