NCSA: (National Center for Supercomputing Applications) - One of the five original centers in the Supercomputer Centers Program and a unit of the University of Illinois at Urbana-Champaign. It was founded in 1986, and is responsible for developing Mosaic, the web browser responsible for launching the multibillion dollar dot-com explosion.

Netiquette: The desired mode of manners and conduct for the Internet.

Netizen: A term referring to a citizen of the Internet, or someone who uses networked resources. The term connotes civic responsibility and participation.

Netscape: A web browser created by Netscape Communications Corporation. The Netscape browser was originally based on the Mosaic program developed at the National Center for Supercomputing Applications (NCSA). It provided major improvements in speed and interface over other browsers, but also engendered debate by being the first to create browser-specific elements for HTML.

Network: A network is created any time 2 or more computers are connected together to share resources. When 2 or more networks are connected, it becomes an internet.

Newsgroup: The name for a discussion group on USENET.

NIC(1): (Networked Information Center) - (Networked Information Center) - Any office that handles information for a network can be referred to as an NIC. The most famous of these is the InterNIC, the original ofice of domain registration . Another definition of NIC is Network Interface Card, which plugs into a computer and adapts the network interface to the appropriate standard.

NIC(2) (Network Information Center) - a unique ID Code issued by Registrars.com to identify contact persons associated with a domain name. There can be up to 3 NIC handles per domain, referred to as 'ADMIN / TECH / BILL', each having its own area of responsibility.

NNTP: (Network News Transfer Protocol) - The protocol used by client and server software to move a USENET posting over a TCP/IP network. Most common web browsers use an NNTP connection to participate in newsgroups.

Node: Any single computer connected to a network.