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Internet (Inter-Network) sdsu blackboard is a set of computer network that provides access to services and resources telekomnunikasi information for millions of users spread across the globe. Internet service includes direct communication (email, chat), discussions (Usenet News, email, mailing lists), distributed information resources (World Wide Web, Gopher), remote login and file traffic (Telnet, FTP), and miscellaneous other services ,
The Internet can connect computers and computer networks that exist in the whole world into a sizable network through a media liaison namely satellite channels, cable, and radio frequency so that the computer-kornputer yangterhubung can communicate with each other. In the Internet there are two types of computers, namely computer server (server computer) and a client computer (client computer). Computer servers provide services and information available on the internet while the client computer can only access the information or services on the server computer.
To differentiate each network computer connected to the internet then used a certain identity called an IP address (IP address), in addition to using the IP address of a computer network also has a certain identity called domain. Examples of domains is www.astaga.com, www.boleh.com, www.plasa.com and others. sdsu blackboard
There are two important role the Internet, namely:
1. As a source of information on the Internet store various types of information with an unlimited number of other words we can access information that is not unlimited.
2. The Internet can be used as a means of exchange of information from one computer to another without being restricted by physical iarak the second computer. Two computers are equally connected to the Internet can rnelakukan mutual exchange of data and information in a very fast time.