Applications of Information Technology is used in the context of enterprise operations as opposed to personal or entertainment technologies. It is a set of tools, processes, and methodologies and associated equipment employed to collect, process, and present information. It is commonly used as a synonym for computers and computer networks, but it also encompasses other information distribution technologies such as television and telephones. It also includes several layers of physical equipment (hardware), virtualization and management or automation tools, operating systems and applications (software) used to perform essential functions.