How many types does Quality control have?

In engineering and manufacturing, quality control and quality engineering are used in developing systems to ensure products or services are designed and produced to meet or exceed customer requirements. Refer to the definition by Merriam-Webster for further information. These systems are often developed in conjunction with other business and engineering disciplines using a cross-functional approach.

Quality control is that branch of engineering and manufacturing,which deals with the assurance and failure testing in design and production of products or services,to meet or exceed customer requirements.