environmentally responsible and eco-friendly use of computers and their resources. In broader terms, it is also defined as the study of designing, engineering, manufacturing, using and disposing of co, (green computing) environmentally responsible use of computers and related resources. Such practices include the implementation of energy-efficient central processing units (CPUs), servers and periphe, information technology that is designed for gentle use of the environment and resources throughout its lifecycle, focusing on three topics: - use of energy in the manufacture and use of hardware - de