Information Technology will subsystem of an information system, the system can produce useful information. Information technology-supported communication technologies enable the deployment of information quickly and accurately all over the world. Information and communication technologies are always associated with advances in Computer Technology. During its development, communication technology has allowed for long-distance communication is called "Telecommunications". In this case the functions and principles of telecommunications, computer technology work processes and other support equipment.
Telecommunication
The word comes from the telecommunications tele (far) and communication (communication). So telecom is a form of remote communication to send messages from one place to another, and usually take place in two directions. Telecommunications includes all forms of electronic communication over long distances, including:
• Radio
• Television
• Telephone
• Computer Network.
