| MAN Metropolitan Area Network MB/Mb Mega Bytes/bits MBR Master Boot Record MCA Micro Channel Architecture MCGA Multi-Colour Graphics Array MCM Multi-Chip Module MDRAM Multi-bank RAM MFLOPS Millions of FLOating Point Operations per Second (MegaFlops) MFM Modified Frequency Modulated MHz MegaHertz MICR Magnetic Ink Character Recognition MIDI Musical Instrument Data Interface MIMD Multiple-Instruction Multiple-Data MIPS Millions of Instructions per Second MISD Multiple-Instruction Single Data MMU Memory Management Unit MMX Multi-Media Extensions MNP Microcom Network Protocol MODEM MOdulator / DEModulator MOPS Millions of Operations Per Second MOS Metal-Oxide Semiconductor MP Multi-Processor MPP Massively Parallel Processor MPS Multi-Processor System MSB/msb Most Significant Byte/bit MSDOS Microsoft's Disk Operating System MSI Medium Scale Integration |