Information Management


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There are 410 entries in the glossary.
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Term Definition
Latency Storage products. The time required for one disk revolution. The average latency is the time required for ½ a disk revolution. This is the average time for the head to reach the required sector after it has been positioned over a track.
 
Legacy SystemsPrevious generation/version information technology architectures and their contents whose dysfunctionalities need to be overcome in deploying new generation/version information technology.
 
Life-CycleA series of status`s that an item goes through from its initial creation through to it being superceded or marked as obsolete.
 
Lifecycle ManagementGraphic definition of content lifecycle with automated lifecycle promotion and demotion. Lifecycle states can automatically modify attributes, security, location., and other content properties.
 
Lightweight Directory Access Protocol (LAn industry standard open client/server protocol for accessing a directory service, such as Active Directory or Novell Directory Services. It is a simplified version of the X.500 protocol.
 
Line Art Scanners. Images containing only black and white pixels. A single-bit image type that lacks any dithering effect, also known as bilevel images. The term line art is sometimes used to describe drawings containing flat colours without tonal variation.
 
Linear Voice Coil Storage products. Used to position the read/write heads of hard disk drives over the data tracks. There are three main types of design: balanced rotary positioner; non-balanced rotary positioner; linear positioner. All three are feedback systems and vary in the way of converting the power of the motor into a head movement. Today, the type used most is the rotary positioner.
 
LinuxA freely-distributable open source operating system that runs on a number of hardware platforms. The Linux kernel was developed mainly by Linus Torvalds. Because it's free, and because it runs on many platforms, including PCs and Macintoshes, Linux has become an extremely popular alternative to proprietary operating systems.
 
ListBrief descriptions of archives at group, series or item level.
 
Locally Administered Address (LAA).Networking. An address that a network administrator assigns to a network adapter on Novell network. Administrators may assign the adapter any address that they wish (within certain constraints). Many administrators use the LAA to give the adapter a meaningful address in their workplace (for example, assigning the adapter an address that identifies its location).
 
LosslessScanners. Data compression algorithms that store data in a more efficient format that does not cause any data loss in the compression process. Typically this type of compression has a ratio of up to 8:1.
 
LossyScanners. Data compression algorithms that assumes some of the data in an image file is unnecessary and can be eliminated without affecting the perceived image quality. Typically this type of compression has ratios between 10:1 and 100:1.
 
Low-Level Format (SCSI) Storage products. Formatting which takes place during the manufacturing process. Low-level formatting checks the integrity of the entire data recording area and divides the recording surface into user and spare sector area. The locations of any defective sectors are recorded to prevent future access. Also known as media certification.
 
LPDPrinter Networking. Line printer daemon. Lpd is a background process, which normally runs on a UNIX machine. Lpd accepts new print jobs, queues them and then sends them to the printer when they reach the end of the queue.
 
LPIPrinters / Scanners. A measure of the frequency of a halftone screen (usually ranging from 55-200). Originally, halftones were made by placing an etched glass plate over an image and exposing it to produce dots. Lpi refers to the frequency of the horizontal and vertical lines.
 
LuminosityScanners. A value corresponding to the brightness of colour.
 


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Glossary V1.8
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