(n.) A network is a group of two or more computer systems linked together. There are many types of computer networks, including the following:
local-area networks (LANs): The computers are geographically close together (that is, in the same building).
wide-area networks (WANs): The computers are farther apart and are connected by telephone lines or radio waves.
campus-area networks (CANs): The computers are within a limited geographic area, such as a campus or military base.
metropolitan-area networks MANs): A data network designed for a town or city.
home-area networks (HANs): A network contained within a user’s home that connects a person’s digital devices.
In addition to these types, the following characteristics are also used to categorize different types of networks:
topology : The geometric arrangement of a computer system. Common topologies include a bus, star, and ring. See the Network topology diagrams in the Quick Reference section of
- neural network
A type of artificial intelligence that attempts to imitate the way a human brain works. Rather than using a digital model, in which all computations manipulate zeros and ones, a neural network works by creating connections between processing elements, the computer equivalent of neurons. The organization and weights of the connections determine the output. Neural […]
- New Media
A generic term for the many different forms of electronic communication that are made possible through the use of computer technology. The term is in relation to “old” media forms, such as print newspapers and magazines, that are static representations of text and graphics. New media includes: Web sites streaming audio and video chat rooms […]
Slang term for someone who is a new user on an online service, particularly the Internet.
- news reader
Sometimes spelled as one word, a news reader is a client application that enables you to read messages posted to Internet newsgroups, and to post your own messages. Both Microsoft Internet Explorer and Netscape Navigator come with news readers, but there are also freeware, shareware and commercial stand-alone news readers.
- news service provider
Abbreviated NSP, a typically commercial organization that provides Usenet news as its primary or sole activity.