Glossary
Other Technical Dictionaries/Glossaries
Acronym Glossary CNET Internet Glossary ILC Glossary of Internet Terms OneLook Dictionaries
LAN operating system The operating system for a local area network.
LAN serverA high-end PC on a local area network whose resources are shared by other users on the LAN.
LandscapeReferring to the orientation of the print on the page. Printed lines run parallel to the longer side of the page. (Contrast with portrait.)
Laptop PCPortable PC that can operate without an external power source. (Contrast with desktop PC and tower PC.)
Laser printer A page printer that uses laser technology to produce the image.
Layout A reference to the positioning of the visual elements on a display or page.
Leased line See private line.
Librarian The person in a computer center who keeps track of interchangeable disks and tapes, and maintains a reference library of printed and computer-based material.
Line printer A printer that prints a line at a time.
Listserv An Internet mailing lists.
LoadTo transfer programs or data from secondary to primary storage.
Local area network (LAN or local net) A system of hardware, software, and communications channels that connects devices on the local premises. (Contrast with wide area network.)
Local bus A bus that links expansion boards directly to the computer system's common bus.
Local net Seelocal area network.
Log off The procedure by which a user terminates a communications link with a remote computer. (Contrast with log on.)
Log on The procedure by which a user establishes a communications link with a remote computer. (Contrast with log off.)
Logic error A programming error that causes an erroneous result when the program is executed.
Logical operators AND, OR, and NOT operators can be used to combine relational expressions logically in spreadsheet, database, and other programs. (See also relational operators.)
Logical security That aspect of computer-center security that deals with user access to systems and data.
LoopA sequence of program instructions executed repeatedly until a particular condition is met.
Low-level language A language comprising the fundamental instruction set of a particular computer. (Compare with high-level programming language.)