Tuesday 24 January 2012

Basic of Internet Technology

Internet is a network of networks where millions of compters are connected. To understand about the internet technology we should know the following terminologies
1. Network : A network is a group of two or more computer systems linked together.
Some important network types
i. local-area networks (LANs) : The computers are geographically close together (that is, in the same building).
ii. wide-area networks (WANs) : The computers are farther apart and are connected by telephone lines or radio waves.
iii. campus-area networks (CANs): The computers are within a limited geographic area, such as a campus or military base.
iv.metropolitan-area networks MANs): A data network designed for a town or city.
v.home-area networks (HANs): A network contained within a user's home that connects a person's digital devices.
2. Internet Service Provider(ISP): ISP is the company that provide access to the internet.