Dell PowerEdge T300 Manuel d'utilisateur télécharger pdf (Page 182)

182 Glossary

kHz — Kilohertz.

KMM — Keyboard/monitor/mouse.

KVM — Keyboard/video/mouse. KVM refers to a switch that allows selection of the

system from which the video is displayed and for which the keyboard and mouse are

used.

LAN — Local area network. A LAN is usually confined to the same building or a few

nearby buildings, with all equipment linked by wiring dedicated specifically to the

LAN.

lb — Pound(s).

LCD — Liquid crystal display.

LED — Light-emitting diode. An electronic device that lights up when a current is

passed through it.

Linux — An open-source operating system, similar to the UNIX

operating system,

that runs on a variety of hardware systems. Linux is freely available; however, the full

distribution of Linux along with technical support and training are available for a fee

from vendors such as Red Hat

Software.

local bus — On a system with local-bus expansion capability, certain peripheral

devices (such as the video adapter circuitry) can be designed to run much faster than

they would with a traditional expansion bus. See also bus.

LVD — Low voltage differential.

m — Meter(s).

mA — Milliampere(s).

MAC address — Media Access Control address. Your system’s unique hardware

number on a network.

mAh — Milliampere-hour(s).

Mb — Megabit(s); 1,048,576 bits.

MB — Megabyte(s); 1,048,576 bytes. However, when referring to hard-drive capacity,

the term is often rounded to mean 1,000,000 bytes.

Mbps — Megabits per second.

MBps — Megabytes per second.

MBR — Master boot record.

memory address — A specific location, usually expressed as a hexadecimal number, in

the system’s RAM.

memory module — A small circuit board containing DRAM chips that connects to the

system board.

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Dell PowerEdge T300 Manuel d'utilisateur Page 182