| A | B |
| network | a collection of computers and devices connected together via communications devices and media |
| Internet | a worldwide collection of networds that links millions of businesses, government agencies, schools, and individuals |
| ARPANET | the four original nodes of the Internet |
| NSFnet | five supercomputers managed by the National Science Foundation connected to ARPANET in 1986 |
| ISP | Internet service provider |
| Internet service provider | a business with a permanent Internet connection that provides temporary connections to individuals and companies |
| POP3 | the newest version of the post office protocol server |
| America Online | world's leading online service provider |
| IP address | number that uniquely identifies each computer or device connected to the Internet |
| domain name | text version of an IP address |
| web page | each document on the Web |
| web site | a collection of related Web pages |
| web browser | software program that allows you to access and view Web pages |
| Internet Explorer | the most popular web browser |
| home page | starting page for a browser; also the first page of a web site |
| hyperlink | built-in connection to another related Web page or part of a Web page |
| surfing | the activity of jumping from one Web page to another |
| Uniform Resource Locator | unique address for a Web page |
| web server | a computer that delivers Web pages you request |
| hit | any Web page name that lists as the result of a search |
| web community | A Web site that joins a specific group of people with similar interests or relationships |
| thumbnail | a small version of a larger graphical image |
| marquee | Text that animates by scrolling across the screen |
| plug-in | an additional program that extends the capability of a browser |
| e-mail | the transmission of messages and files via a computer network |
| FTP | file transfer protocol |
| File transfer protocol | An Internet standard that allows you to upload and download files with other computers on the Internet |
| newsgroup | An online area in which users conduct written discussions about a particular subject |
| chat | a real-time typed conversation that takes place on a computer |
| real time | you and the people with whom you are conversing are online at the same time |
| chat room | a location on an Internet server that permits users to chat |
| instant messaging | A real-time Internet communications service which notifies you when "friends" and online and available to chat |
| netiquette | code of acceptable behaviors users should follow while on the Internet |
| webcasting | Delivers information at regular intervals without you having to request it |
| search engine | A software program you can use to find Web sites, Web pages and Internet files |
| portal | Offers a variety of Internet services from a single, convenient location |
| WISP | wireless Internet service provider |
| streaming audio | Enables you to listen to the sound as it downloads |
| web cam | A video camera whose output displays on a Web page |
| email address | a combination of a user name and a domain name that identifies a user so he or she can receive Internet e-mail |
| video conferencing | real-time meeting between two or more geographically separated people who use a network to transmit audio and video |
| Internet telephony | enables users to talk to other users over the Internet |
| Internet printing | allows users to print to a web address that is associated with a particular printer |
| public Internet access point | hot spot |
| hot spot | an area with the capability of wireless Internet connectivity |
| cybercafe | a coffee house or restaurant that provides computers with Internet access to customers |
| GPS | a navigation system that uses satellite signals to determine a geographic location |
| LAN | local area network |
| WAN | wide area network |
| MAN | metropolitan area network |
| client/server network | one or more computers act as a server and other computers request services from the server |
| server | a host computer which controls access to hardware, software, and other network resources |
| peer-to-peer network | a simple, inexpensive network where each computer has equal responsibilities |
| P2P | peer to peer |
| bus network | all computers and other devices are connected through a single, central cable; data is transmitted in both directions |
| ring network | all computers and devices are arranged along a closed loop and data must travel around the entire ring. |
| star network | all computers and devices connect to a central device that provides a common connection point |
| hub | the common connection point in a star network |
| Ethernet | the most popular LAN technology |
| token ring | the second most popular LAN technology; only the device with the token and transmit data. |
| TCP/IP | a network technology that manages the transmission of data by dividing it into packets |
| bluetooth | uses short-range radio waves to transmit data between two bluetooth devices |
| dial-up connection | a temporary connection that uses one or more telephone lines for communications |
| DSL | digital subscriber line |
| DSL connection | a digital line alternative for network connection |
| cable modem | a digital modem that send and receives digital data over the cable television network; an alternative to DSL |
| network card | NIC; a card that enables a computer or device to connect to a network |
| wireless access point | a device that allows computers to transfer data wirelessly among themselves or to a wired network |
| router | a device that connects multiple computers together and transmits data to its correct destination on a network |
| infrared | a wireless transmission medium that send signals ursing infrared light waves |
| downloading | The process of receiving information, such as a Web page, onto your computer from a server on the Internet |