Wednesday Apr 16, 2014
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Word Explanation


L1 cache

A level 1 (L1) cache is a memory cache that is built into the CPU chip. A fast transfer speed for a memory bus, the conduit between the CPU and main memory (DRAM), is 66MHz. The L1 cache is a small, fast memory area that works together with the L2 cache to provide the CPU much quicker access to important and frequently-used data than searching the main memory.

L1 Cache

Level 1 (L1) cache, also known as primary cache, is a memory cache built into the CPU.L1 cache is used by the central processing unit of a computer to reduce the average time to access memory. The cache is a smaller, faster memory which stores copies of the data from the most frequently used main memory locations. As long as most memory accesses are to cached memory locations, the average latency of memory accesses will be closer to the cache latency than to the latency of main memory.

L2 cache

A level 2 cache (L2) is a collection of memory chips on the motherboard. The L2 cache is a static RAM secondary memory area which is slower than the L1 cache but faster than main memory. An L2 cache is typically 256KB or 512KB. Increasing a level 2 cache may speed up some applications and have no effect on others. The L1 cache and L2 cache are used together.

L2 Cache

Level 2 (L2) cache, also known as secondary cache or RAM cache, is the cache memory external to the CPU. L2 cache memory resides on a separate chip from the microprocessor chip. L2 cache contains a subset of the contents of main memory. The design of the memory and L2 cache is a significant way designers differentiate their systems.

L2CAP: Logical Link Control and Adaptati

Logical Link Control and Adaptation Protocol, typically short as L2CAP, is used within the Bluetooth protocol stack at the data link layer. It passes packets to either the Host Controller Interface (HCI) or on a hostless system, directly to the Link Manager.

L3 Cache

Level 3 cache is the third-fastest cache memory available to a CPU. It usually consists of SRAM chips located on the motherboard. The "L3" indicates that the CPU attempts to access this cache after accessing the L1 and L2 cache. Level 3 cache is now the name for the extra cache built into motherboards between the microprocessor and the main memory.




Life's A Bitch And Then You Die.


A network sponsored by the Institute for Global Communications for the purpose of improving worldwide communication on labor issues and gaining fair conditions for workers.

LADDR: Layered Device Driver

Layered Device Driver (LADDR) is s SCSI device driver architecture used in early versions of OS/2.

LADSPA: Linux Audio Developers Simple Pl

Linux Audio Developers Simple Plugin API(LADSPA) is a standard interface under Lesser General Public License for handling filters, effects and the like in Linux-based operating systems. It is used in many free audio software projects.

LAI: Location Area Identity

Location Area Identity (LAI) is the information carried in the SIM of GSM handsets that identify the subscriber's home area. This is used for billing and sub-net operation purposes.


Lambda is the 11th letter of the Greek alphabet. In physics, Lambda is often used as the symbol for wavelength in electromagnetic wave systems.


A system of mathematical logic Alonzo Church originated in the1930s, which concerns the application of functions to their arguments. Lambda-calculus and its variations have been important in the development of computer programming languages.

LAMIP: Linux Audio Multiple Interface Pl

Linux Audio Multiple Interface Player(LAMIP) is a free audio player. Its goal is to provide an interface which is completely driven by plugins. LAMIP was designed from the ground up to be completely modular, that one can easily create input plugins for their favorite filetypes or streams, and output plugins for their favorite sound engine or for netcasting. LAMIP is also modular when it comes to front-ends, that LAMIP control plugins can be made available under GTK, Qt, or any other toolkit.

LAMP: Linux, Apache, MySQL and Perl/PHP/

The LAMP (or L.A.M.P.), an acronym of Linux, Apache, MySQL and Perl (or PHP or Python), refers to a set of free software programs commonly used together to run dynamic Web sites or servers. LAMP software collection defines the open source Web platform, including web server infrastructure, a programming paradigm of developing software, database system and a software distribution package.


Local Area Network. A network that connects computers that are close to each other, usually in the same building, linked by a cable.

LAN (Local Area Network)

A LAN is ideal for facilitating data communications among users located in a small region, typically a building, an office premises, a home, college or hospital. Computers within a LAN share resources and other network lines.

LAN emulation

A technology that uses asynchronous transfer mode to connect Ethernet and Token Ring networks together.

LAN Free Backup

LAN free backup refers to backing up data without transferring it across the LAN or WAN. Instead, LAN free backup architecture uses a server or a NAS storage device with backup storage (tapes, MO, CD, etc.) directly attached. A common approach is to use a SAN that connects the disks and backup storage via a Fibre Channel switch. A variation of LAN free backup is "server free backup." Server free backup uses a SAN, but instead of having a backup server manage the backup operation, it uses a simpler device called a "data mover." The data mover can be embedded into the backup storage device itself or be a separate unit that also handles conversion from Fibre Channel to SCSI.

LAN Manager

Microsoft's network operating system for DOS, Windows, and OS/2.

LAN manager

The person who manages a local area network.

LAN Server

LAN Server is an IBM Network Operating System (NOS). The IBM LAN Server started as a close cousin of Microsoft LAN Manager and first shipped in early 1988. It was originally designed to run on top of Operating System/2 Extended Edition. The network client was called IBM LAN Requester and was included with OS/2 EE 1.1 by default. LAN Server basically refers to the IBM OS/2 LAN Server product. There were also LAN Server products for other operating systems, notably AIX (now called Fast Connect) and OS/400.

LAN station

A workstation in a local area network.

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