local bus
A data bus that connects directly, or almost directly, to the microprocessor. Although local buses can support only a few devices, they provide very fast throughput. Modern PCs include both a PCI local bus and a more general ISA expansion bus for devices that do not require such fast data throughput.
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- local loop
In telephony, a local loop refers to the connection between a telecommunication company’s CO to the lines in the service subscriber’s home or office. Originally, local loop service carried only telephone service to subscribers. But today, with the use of modems, ISDN and DSL signals are transmitted to subscribers as well through the local loop.
- localization
The process of adapting software for a particular country or region. For example, the software must support the character set of the local language and must be configured to present numbers and other values in the local format. Localizing a word processor might require adding a new spell checker that recognizes words in the local […]
- lock-in
The phrase used to describe a Web page that disables the browser’s back button and prevents the user from leaving the page via the back button. The lock-in practice was originally used by pornography Web sites, however, more mainstream Web sites also use lock-in to keep readers on the Web site once it has loaded. […]
- lock
(1) To make a file or other piece of data inaccessible. File locking is a critical component of all multi-user computer systems, including local-area networks. When users share files, the operating system must ensure that two or more users do not attempt to modify the same file simultaneously. It does this by locking the file […]
- lockstep processor technique
A processor lockstep is a technique used to achieve high reliability in a microprocessor system. This is done by adding a second identical processor to a system that monitors and verifies the operation of the system processor. * The two processors are initialized to the same state during system start-up, and they receive the same […]