6 Glossary
M
megabyte
(MB) 1,048,576 bytes.
memory
Electronic storage area in a computer that retains information and
programs. A computer has two types of memory — read-only memory
(ROM) and random access memory (RAM).
menu
A video display of programs or options.
microprocessor
A semiconductor central processing unit that is the principal component of
a microcomputer. Usually contained on a single chip that includes an
arithmetic logic unit, control logic, and control-memory unit.
MIDI
Musical Instrument Digital Interface. A standard serial bus, digital interface
designed to connect electronic musical devices. MIDI has no innate sound
of its own.
MMX
A set of 57 multimedia instructions built into Intel’s newest
microprocessors. MMX-enabled microprocessors can handle many
common multimedia operations, such as digital signal processing (DSP),
that are normally handled by a separate sound or video card. However, only
software especially written to call MMX instructions — MMX-enabled
software —can take advantage of the MMX instruction set.
mode
A method of operation; for example, the Versa operates in either normal or
power-saving modes.
modem
MOdulator-DEModulator. A device that links computers over a telephone
line.
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