M

MAC         Media Access Control

MAN         Metropolitan Area Network

MAP         Maintenance Analysis Procedure

MAP         Manufacturing Automation Protocol

MAPI        Messaging Applications Programming Interface

MB          MegaByte (1,048,576 bytes)

MBCS        Multiple Byte Character Set

MBONE       Multicast Backbone

MBPS        MegaBits Per Second

MCA         Micro Channel Architecture

MCBF        Mean Cycles Between Failures

MCCOI       Multimedia Communications Community of Interest

MCGA        MultiColour Graphics Array

MCI         Media Control Interface

MD          Management Domain

MD5         Message Digest 5

MDA         Monochrome Display Adapter

MEB         Memory Expansion Board

MFA         Modify Field Attribute

MFC         Microsoft Foundation Classes

MFKS        Multifunktionales Konferenzsystem

MFLOPS      Million Floating-Point Operations Per Second

MFM         Modified Frequency Modulation

MFV         Multi File Volume

MFWS        MultiFunction WorkStation

MGA         Monochrome Graphic Adapter

MH          Mobile Host

MHS         Message Handling System

MI          Multiple Inheritance

MIB         Management Information Database

MICR        Magnetic Ink Character Reader

MIDI        Musical Instrument Digital Interface

MIME        Multipurpose Internet Mail Extensions

MIPS        Millions of Instructions Per Second

MISC        Minimum Instruction Set Computer -> CISC, RISC

MLPPP       MultiLink PPP

MMDF        Multi-Channel Memorandum Distribution Facility

MMDS        Multi-Megabit Data Services

MMFS        Manufacturing Manage Format Standard

MMX         Multi Media eXtensions

MNP         Microcom Network Protocol

MODEM       MOdulator/DEModulator

MOPS        Mega Operations per second

MOTIS       Message-Oriented Text Interchange Systems

MP          Multiprocessing

MPC         Multimedia PC

MPEG        Motion Picture Experts Group

MPOA        MultiProtocol Over Asynchronous transfer mode

MPSD        MultiPath Storage Director

MPX         multiplex

MS          Message Store

MS-DOS      Microsoft Disk Operating System

MSA         Metropolitan Statistical Area

MSD         Most Significant Digit

MSG         Message

MSM         MultiSession Monitor

MSW         Machine Status Word

MTA         Message Transfer Agent

MTBF        MeanTime Between Failures

MTDA        Mean Time Data Availability

MTS         Message Transfer System

MUD         Multi-User Dungeon

MULTICS     MULTiplexed Information and Computing Service

MUMPS       Massachusetts General Hospital Utility Multi-Programmings System

MUMPS       Multi-User Multi-ProgrammingSystem

MVS         Multiple Virtual System

MVS/ESA     Multiple Virtual System / Extended System Architecture

MVS/XA      Multiple Virtual System / Extended Architecture

MVSCP       MVS Configuration Program