| A | B |
|---|
| Number of computers connected together to share data, software, and hardware | Networks |
| Small group of networked computers; located within a limited geographical area such as a school computer lab, business offices or adjacent buildings | Local Area Network (LAN) |
| Two or more LANs networked together across a large area such as schools within a city or state | Wide Area Network (WAN) |
| Network that accommodates a large area, such as an entire city or other geographic region such as the Internet | Metropolitan Area Network (MAN) |
| World’s largest network; worldwide collection of LANs and WANs; links together millions of businesses, governments, educational institutions and individuals | Internet |
| Portion of the Internet consisting of computer sites containing billions of documents called web pages | World Wide Web |
| Program used to view websites such as Netscape Navigator or Microsoft Internet Explorer | web browser |
| Conference involving two or more sites or meeting areas; the ability to communicate via video and audio with videoconferencing equipment and the necessary phone lines | videoconferencing |
| Videoconferencing which involves only two sites | point-to-point videoconferencing |
| Videoconferencing which involves three or more sites | multipoint videoconferencing |
| Videoconferencing that broadcasts through the Internet | webcasting |
| Interactive communication between several people at different locations; allows employees from various long distance sites to participate in the same phone call at the same time | teleconferencing |
| Allows employees to work full- or part-time outside the traditional workplace by connecting to the workplace computers by Internet connection | telecommuting |
