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MPU-401
A standard for MIDI interfaces and connectors.
NTSC
National TV Standards Commission. The
standard for TV broadcast and reception
for the USA.
Operating System
A group of control programs that convert
application commands, including driver
programs, into the exact form required by a
specific brand and model of microprocessor
in order to produce the desired results from
that particular equipment.
Parallel Port
A connection to another device through which
data is transferred as a block of bits simultane-
ously with a wire for each bit in the block and
with other wires only for control of the device
not for transfer of data.
Appendices
98
MB
Megabyte.
Memory
A repository for data and applications which is
readily accessible to your computer CPU.
MHz
Megahertz.
MIDI
Musical Instrument Digital Interface. A stan-
dard communication protocol for exchange of
information between computers and sound
producers such as synthesizers.
Modem
A contraction for MOdulator-DEModulator.
The equipment which connects a computer or
other data terminal to a communication line.
Monaural
A system using one channel to process sound
from all sources.
Partition
A block of space on a hard drive which is set
aside and made to appear to the operating sys-
tem as if it were a separate disk, and addressed
by the operating system accordingly.
PCMCIA
A trademark of the Personal Computer
Memory Card International Association. The
Personal Computer Memory Card International
Association is an organization that sets stan-
dards for add-in cards for personal computers.
Peripheral Device
A piece of equipment which performs a specific
function associated with but not integral to
a computer. Examples: a printer, a modem,
a CD-ROM.
Pitch (keyboard)
The distance between the centers of the letter
keys of a keyboard.