HP Brio 80xx Online Manual page 98

Glossary
Jumper An electrically-conductive
part that is used to connect two or
more points on a circuit board.
Commonly used to select
configuration options.
Key system An automatic equivalent
of the "key and lamp unit." Provides
PBX-like functions without an
operator for less than 50 extensions.
LAPM Link Access Procedure for
Modems. LAPM is an error-correction
protocol specified by V.42. It is used
when your modem communicates with
a remote LAPM modem.
Local analog loopback test A test
that checks the internal operation of
your modem's transmit and receive
circuitry by looping characters within
the modem.
Memory modules Miniature boards
containing memory chips. Used for
increasing the amount of memory
available in the computer.
Mass storage Any device used to
store large amounts of data external to
the internal memory used by the
processor. Usually refers to hard disks
and tape backup units.
MS-ADPCM Adaptive Differential
Pulse Code Modulation, a data
compression technique from Microsoft.
MNP The first error-correction
protocol developed to detect erroneous
data and request the data to be
transmitted. MNP also has a data-
compression scheme to achieve high
data throughput.
MID files Standard file format used to
store MIDI sequence information.
MIDI Musical Instrument Digital
Interface. An international hardware/
software standard that specifies the
cable and hardware interface that
allows several devices, instruments and
computers to interchange music codes
and events.
MIDI mapper A Windows utility that
lets you edit MIDI key maps, patch
maps and channel mappings.
Mixing Combining sounds from
several sources.
MPU-401 MIDI interface hardware
standard developed by the Roland Co.
Non-Volatile Random Access
Memory (NVRAM) A memory
device that preserves memory contents
when the power is off.
Off-hook A telephone that is in use.
Similarly, a modem that is connected to
the telephone network is said to be off-
hook.
OLE Object Linking and Embedding.
A Windows feature that allows different
object types (such as speech clips or
notes of music) to appear in a
document. The objects can be linked, in
which case they remain separate files,
or embedded, where they become a
part of the document.
On-hook A telephone that is not in
use. Similarly, a modem that is not
connected to the telephone network is
said to be on-hook.
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