When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. System - Wikipedia

    en.wikipedia.org/wiki/System

    Systems can be isolated, closed, or open. A system is a group of interacting or interrelated elements that act according to a set of rules to form a unified whole. [1] A system, surrounded and influenced by its environment, is described by its boundaries, structure and purpose and is expressed in its functioning.