what this difference means for quality professionals is that as you move through a quality control career you might transition from quality control to quality assurance quality control is part of quality assurance which consists of programs and departments that assure upper level management customers and government inspectors that products meet all quality requirements and safety standards 
quality control methodsthere are several methods quality control uses to communicate and track inspections and issues for instance a quality control chart is a graphic that depicts whether sampled products or processes are meeting their intended specifications and if not the degree by which they vary from those specifications 