Key fact A hub broadcasts messages to all devices on the network. A switch sends the message to the intended recipient only. A wireless access point (WAP) uses a radio transceiver to allow ...

Servers and clients are the building blocks of computer networks Client-server networking grew in popularity during the 1990s as personal computers became the alternative to mainframe computers.

including local area networks (LANs), public and private wide area networks (WANs) and the Internet, the global wide area network. See LAN and WAN. The first video conferences also used private ...