Math Coprocessor / FPU (Floating Point Unit)
A processor distinct from the main CPU that performs mathmatical calculations using floating-point numbers. For personal computer systems using CPUs prior to Intel's i486DX or Motorola's 68040, adding a math coprocessor can dramatically increase the speeds of math and graphics functions. The i486DX, 68040, and subsequent CPU models incorporate the math coprocessor functions in the main CPU.

MCI (Media Control Interface)
A high-level interface enabling Windows applications to control multimedia devices, including playback and recording of audio and video.

Memory
Computer hardware that stores data and provides for the retrieval of that stored data. Generally, the term memory refers to random access memory (RAM), which is used to run applications and temporarily store data during program execution.

MIDI (Musical Instrument Digital Interface)
Pronounced "middy." A software and hardware standard that allows computers, music synthesizers, and musical instruments to exchange information.

Motherboard
The main circuit board in a computer containing the primary system components. Expansion cards may be added to the motherboard by plugging them in to the bus via a bus connector.

 

Glossary Index

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