TECHNOLOGYBuzzwords: Tech terms that will attract even more hype in the coming yearHere's a glossary of technical phrases that you'll be hearing in 2002.By Tyler Chin, amednews staff. Jan. 14, 2002. Backbone: The main wire of a network or the wire to which the nodes of a network connect. Biometrics: Security technology that uses facial, retinal or fingerprint scanners for identification purposes. Central processing unit (CPU): The brains of the computer. Certificate authority (CA): The third party that issues digital certificates and vouches for the identity of parties involved in an online transaction. Clock speed: The speed at which the CPU or microprocessor executes instructions. Deep Web: Refers to a massive trove of information stored in databases, multimedia files and other formats that don't turn up on standard search engine services. Denial of service attack: Occurs when hackers send thousands or hundreds of thousands of requests to a server at the same time with the intention of knocking it out of service. Ethernet: Technology standard used to link computers in local area networks. Extranet: A network linking different computer networks over the Internet. Instant Messaging: A system in which words typed on a computer appear almost simultaneously on the computer screens of other people. Invisible Web: see DEEP WEB. Linux: An operating system developed by volunteer programmers around the world as an alternative to Microsoft Corp.'s Windows. In addition to not being a Microsoft product, the other big selling point of Linux is that it is open-source software. Local area network (LAN): A computer network with a reach limited to an office, a building or a campus.
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