Glossary of Computer Terms

KEYWORD DESCRIPTION
LAN (Local Area Network) A collection of devices connected to enable communications between themselves on a single physical medium. A network of computers that is limited to a (usually) small physical area, like a building.
LEARNING BRIDGE A network bridge device that has the function of a bridge and the capability to monitor the network in order to determine which nodes are connected to it, and adjust routing data accordingly.
LEASED LINE A dedicated communication line between two points. Usually used by organizations to connect computers over a dedicated telephone circuit.
LIFO (Last-In First-Out) A queue where the last item placed in the queue is the first item processed when the queue is processed.
LINK A generic term referring to a connection between two end points.
LIST A list is a series of values separated by commas; lists are often enclosed in parentheses to avoid ambiguity and these parentheses are often necessary.
LIST CONTEXT This is the same as array context.
LISTPROC Software that automates the management of electronic mailing lists. See also LISTSERV, majordomo, and SmartList.
LISTSERV Software that automates the management of electronic-mailing lists. See also listproc, majordomo, and SmartList.
LOBASET An Ethernet term meaning a maximum transfer rate of 10 Megabits per second that uses baseband signaling and twisted pair cabling.
LOCAL HOST The computer you are currently using.
LOCAL VARIABLES Local variables can only be accessed in the current block and in subroutines called from that block.
LOGICAL Conveys an abstract concept in a simpler manner, such as using a logical machine name instead of its physical address.
LOGICAL LINK CONTROL (LLC) The upper part of the data link sublayer protocol that is responsible for governing the exchange of data between two end points.
LOGICAL OPERATORS This term is used to mean Boolean operators, that is, those dealing with True/False values.
LOGON Provide a user ID and password to allow you to use the resources of a computer.
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