Dell Inpsiron 560 (Late 2009) User Manual

Page 346

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346

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 laptop 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
equals 1024 KB. When used to refer to hard drive storage, the term is often rounded to
1,000,000 bytes.

MB/sec — megabytes per second — One million bytes per second. This measurement
is typically used for data transfer ratings.

media bay — A bay that supports devices such as optical drives, a second battery, or a
Dell TravelLite™ module.

memory — A temporary data storage area inside your computer. Because the data in

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