(gr. σύστημα systema) system is any organized assembly of resources and procedures united and regulated by interaction or interdependence to accomplish a set of specific functions. A collection of personnel, equipment, and methods organized to accomplish a set of specific functions. Therefore system is a combine form of different components, peoples and the different activities in a systematic manner to accomplish a targeted goal. All the things which are in the system are surrounded by boundary and the things which lie outside is the environment or the system's environment.