The history of quality management, from mere ‘inspection’ to Total Quality Management, and its modern ‘branded interpretations such as ‘Six Sigma’, leading  to the development of essential processes is described in a sequential order below, based on a research work

In a competitive era of software industry, the demand is to ascertain that products of highest quality are delivered in the least possible schedule. Historians have traced the concept as far back as 3000 B.C. in Babylonia. Among the references to quality from the code of Hammurabi, ruler of Babylonia, is the following excerpt: “The mason who builds a house which falls down and kills the inmate shall be put to death.” This law reflects a concern for quality in antiquity.

During pre-industrial revolution the dominant Production method was Craftsmanship model. The master craftsman set standards, reviewed the work of others and ordered rework and revision as necessary. One of the limitations of the craft approach was that relatively few goods could be produced.

In the late 13th century,