
Glossary
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IP Internet Protocol. A communications protocol which contains a
network address and routes a message to a different network.
J jumper A tiny connector box that slips over two pins that protrude
from a circuit board. The jumper can be moved to change
electrical connectors. When in place, the jumper connects the
pins electrically. Some board manufacturers use dual in-line
package (DIP) switches instead of jumpers.
K KB Kilobyte. A unit of measure consisting of 1,024 bytes.
kHz Kilohertz. A measurement of frequency that equals 1000 Hz.
L LAN Local Area Network. A computer network covering a relatively
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. The Operator Control Panel
on the front of the SuperLoader is an LCD screen.
Lempel-Ziv Algorithm A data compression technique used in all DLT
tape drives. Named after Abraham Lempel and Jacob Ziv.
library system A system that uses a robotic mechanism to
automatically load and unload tape cartridges into one or more
tape drives. Distinguishable from stackers and autoloaders in
their ability to provide random access to tape cartridges. The
DLTstor is a tape library system offered by Quantum
Corporation.
linear recording Recording technology in which data is written in
tracks that run the length of the tape media. Contrast with
helical scan technology which records data diagonally across
the tape.
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