Software testing involves the operation of an application or a system under conditions that are controlled and then evaluating the results of the operation. The controlled conditions may be favorable or unfavorable, normal or abnormal. Software testing is the process of intentionally finding errors and problems in the software to see how would the system behave if things happen the way they should not. It is directed towards detection process.

Different firms differ in the way they assign responsibilities for QA and testing. Usually the testing procedures are combined responsibility of a group or an individual. Project teams are also common that include a number of testers and developers who work in tight associations, while QA processes being monitored continuously by the Project Managers. Software Testing distribution depends on an organization’s hierarchy and structure.