Dell Precision T5400 (Late 2007) - Manual (Page 306)

306 Glossary
assigned an IRQ. Although two devices can share the same IRQ assignment, you
cannot operate both devices simultaneously.
ISP — Internet service provider — A company that allows you to access its host server
to connect directly to the Internet, send and receive e-mail, and access websites. The
ISP typically provides you with a software package, user name, and access phone
numbers for a fee.
K
Kb — kilobit — A unit of data that equals 1024 bits. A measurement of the capacity of
memory integrated circuits.
KB — kilobyte — A unit of data that equals 1024 bytes but is often referred to as 1000
bytes.
key combination — A command requiring you to press multiple keys at the same
time.
kHz — kilohertz — A measurement of frequency that equals 1000 Hz.
L
LAN — local area network — A computer network covering a small area. A LAN
usually is confined to a building or a few nearby buildings. A LAN can be connected to
another LAN over any distance through telephone lines and radio waves to form a
wide area network (WAN).
LCD — liquid crystal display — The technology used by portable computer and flat-
panel displays.
LED — light-emitting diode — An electronic component that emits light to indicate
the status of the computer.
local bus — A data bus that provides a fast throughput for devices to the processor.
LPT — line print terminal — The designation for a parallel connection to a printer or
other parallel device.
M
Mb — megabit — A measurement of memory chip capacity that equals 1024 Kb.
Mbps — megabits per second — One million bits per second. This measurement is
typically used for transmission speeds for networks and modems.
MB — megabyte — A measurement of data storage that equals 1,048,576 bytes. 1 MB