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Letter M

MACH Multilayer Actuator Head
MACINTOSH Most Applications Crash; If Not, The Operating System Hangs
MAC * Multiple Access Computers
Mac Macintosh (Apple Macintosh Computer)
MAC Media/Medium Access Control
Message Authentication Code
MADE Manufacturing and Automated Design Engineering
MADYMO Mathematical Dynamic Modeling
MAE Metropolitan Area Ethernet
MAGMA Minimal Architecture for Generalized Markup Applications
mAh Milliampere-Hour
MAI Multiple Applications Interface
MANIAC Mathematical Analyzer Numerical Integrator and Computer
MANPAGE Manual Page
MAN Manual
Metropolitan Area Network
MAPICS Manufacturing, Accounting and Production Information Control System
MAPI Mail/Messaging Applications Programming Interface
MAP Maintenance Analysis Procedures
Manufacturing Automation Protocol
Memory Allocation Map
MARC Machine Readable Cataloging
Multi-Technology Automated Reader Card
MARVEL Machine-Assisted Realization of the Virtual Electronic Library
MASM Macro Assembler
MASS Maximum Availability and Support Subsystem
MAT Maintenance Access Terminal
MAU Media Access/Adapter Unit
Multistation Access Unit
MAVDM Multiple Application VDM
MAX Maximum
mA Milliampere
MBCS Multi-Byte Character Set
MBONE Multicast Backbone
Mbps Megabits Per Second
MBps Megabytes Per Second
MBR Master Boot Record
MBX Mailbox
MB Megabyte (1,024 kilobytes)
Middle Button (of 3 button Mouse)
Or as abbreviated, meg. Used in such expressions as: "I have 32 meg of ram."
MC-PGA Metallized Ceramic - Pin Grid Array
MC-QFP Metallized Ceramic - Quad Flat Pack
MCAD Mechanical Computer Aided Design
MCA Micro Channel Adapter/Architecture
MCB Memory Control Block
MCF Meta Content Framework
MCGA Multicolor Graphics Array
MCI MCI Communications Corp. (name from initials of original company - Microwave Communications, Inc.)
Media Control Interface
MCL Microsoft Compatibility Labs
MCM Multi-Chip Module
MCNE Master Certified Novell Engineer
MCPS Microsoft Certified Product Specialist
MCR Modem Control Register
MCSE Microsoft Certified Systems Engineer
MCU Microcontroller Unit
Multi-Chip Unit
Multipoint Control Unit
MDA Monochrome Display Adapter
Multidimensional Analysis
MDDBMS Multidimensional Data Base Management System
MDIC Manchester Decoder and Interface Chip
MDI Memory Display Interface
Multiple Document Interface
MDK Multimedia Developers Kit
MDLP Mobile Data Link Protocol
MDR Minimum Design Requirement
MDT Mountain Daylight Time
MDY Month Day Year
MD Make Directory
Mini Disk
Monochrome Display
MEB Memory Expansion Board
MEG Megabyte
MEM Memory
MERCI Multimedia European Research Conferencing Integration
MESI Modified, Exclusive, Shared and Invalid (protocol)
MES Manufacturing Execution System
MET Middle European Time
Memory Enhancement Technology
MFC Microsoft Foundation Class
MFFS Microsoft Flash File System
MFI Multifunction Interpreter
MFLOPS Million Floating Point Operations Per Second
MFM Modified Frequency Modulation
MFPI Multifunction Peripheral Interface
MFP Multi-Function Peripheral/Product
MFS Macintosh File System
Magnetic Tape Field Search
Memory File System Modified Filing System
MFT Master File Table
Multiprogramming with a Fixed number of Tasks
MGA Monochrome Graphics Adapter
MGET Multiple Get
MGE Modular GIS Environment
MGML Minimal Generalized Markup Language
MGR Manager
MHOTY My Hat's Off To You
MHS Message Handling Service
Message Handling System
MHz Megahertz
MI/MIC Mode Indicate/Mode Indicate Common
MIB Management Information Base
MICROSOFT Most Intelligent Customers Realize Our Software Only Fools Them
MICRO One-millionth
MICR Magnetic Ink Character Recognition
MICS Macro Interpretive Commands
MIDI Musical Instrument Digital Interface
MIF Management Information Format
MIG Metal In Gap
MII Microsoft/IBM/Intel
MIL Machine Interface Layer +
MIMD Multiple Instruction Multiple Data Stream (processor)
MIME Multipurpose Internet Mail Extension
MIM Metal-Insulator-Metal (screen)
MIND Microsoft Internet Developer
MINUET Minnesota Internet Users Essential Tools
MIN Minimum
Mobile Identification Number
MIPS Million Instructions Per Second
Meaningless Indication of Processor Speed
MISC Miscellaneous
MIS Management Information System
Multimedia Information Sources
MIs Monumental Inscriptions -- Genealogy Term see UK Genealogy Common Acronyms & Jargon for more information.
MIX Member Information Exchange
MI Management Interface
MKDIR Make Directory
MLAPI Multilingual Application Programming Interface
MLC Multilayer Ceramic
Multilevel Cell (program)
MLE Multi-Line Editor
MLID Multi-Link Interface Driver
MLM Mailing List Manager
MLPPP Multilink PPP
ML Machine Language
Meta Language
MMA Microcomputer Managers Association
MMCD MultiMedia Compact Disk
MMCX Multimedia Communication Exchange
MMC Matched Memory Cycle
Microcomputer Marketing Council
Microsoft Management Console
MMIS Materials Manager Information System
MMI Man-Machine Interface
MMPM Multi Media Presentation Manager
MMU Memory Management Unit
MMVF Multimedia Video File
MMX Matrix Manipulation Extensions ]
Multimedia Extensions
MM Minutes
MNOS Metal Nitride Oxide Semiconductor
MNP Microcom Networking Protocol
MOBO Mother Board
MOB Memory-Order Buffer
MODEM MOdulator DEModulator
MOD Module
MOHLL Machine Oriented High Level Language
MOLAP Multidimensional On-Line Analytical Processing
MOM Manufacturing Operations Management
Message-Oriented Middleware
Microsoft Office Manager
MONET Multiwavelength Optical Networking
MONO Monaural
MOO MUD, Object Oriented
MOPS Million Operations Per Second
MOP Maintenance Operations Protocol
MorF Male or Female
MOSFET Metal Oxide Semiconductor Field Effect Transistor
MOS Magneto-Optic Storage
Mean Opinion Score
Metal Oxide Semiconductor
MOTD Message Of The Day
MOTSS Members of the Same Sex
MOVS Move String
MOV Metal Oxide Varistor
MO Magneto-Optical (disk drive)
MPCS Mission Planning and Control Station (Software)
MPC Multimedia Personal Computer
Multipath Channel
MPEG (or MPG) Moving Picture Experts Group A compression and transfer format for movies.
MPEG Motion Picture Experts Group
MPE Multiple Programming Executive
MPI Message Passing Interface
Multiprecision Integer
MPMD Multiple Processor/Multiple Data
MPM Message Passing Library
MPOA Multi-Protocol over Asynchronous-Transfer-Mode
MPP Massively Parallel Processing
Message Posting Protocol
Message Processing Program
MPQP Multi-Protocol Quad Port
MPR Multipart Repeater
Multi Protocol Router
MPS Multiprocessor Specification
MPTN Multi-Protocol Transport Network
MPTS Multi-Protocol Transport Services
MPU Microprocessor Unit
MP Massively Parallel (processing)
Multiple Processors
MQI Message Queue Interface
MRCF Microsoft Realtime Compression Format
MRCI Microsoft Realtime Compression Interface
MRI Magnetic Resonance Imaging
MRM Most Recently-Used Master
MRO Multi-Region Operation
MRPL Main Ring Path Length
MRP Materials Requirement Planning
MRS Media Recognition System
MRT Mean Repair Time
MRU Maximum Receive Unit
MR Magneto Resistive
Modem Ready
MS-DOS Microsoft - Disk Operating System
MSACM Microsoft Audio Compression Manager
MSAU Multi-Station Access Unit
MSAV Microsoft Anti Virus
MSBF Mean Swaps Between Failures
MSB Most Significant Bit
MSCDEX Microsoft Compact Disc Extensions
MSCHAP Microsoft Challenge Handshake Authentication Protocol
MSDN Microsoft Developer Network
MSDR Multiplexed Streaming Data Request
MSDS Microsoft Developer Support
MSD Mass Storage Device
Most Significant Digit
Microsoft System Diagnostics
MSFR Minimum Security Function Requirements
MSG Message
MSIE Microsoft Internet Explorer
MSI Medium Scale Integration
MSL Map Specification Library
Mirrored Server Link
MSMQ Microsoft Message Queue-Server
MSN Microsoft Network
MSO Multiple-Systems Operator
MSRP Manufacturer Suggested Retail Price
MSS Mass Storage System
Multiprotocol Switched Services
MSTS Microsoft Terminal Server
MST Mountain Standard Time
MSW Machine Status Word
MS Memory System
Message Store
Microsoft Corporation
MTA Message Transfer Agent
Multiple Terminal Access
MTBB Mean Time Between Breakdowns
MTBF Mean Time Between Failures
MTBJ Mean Time Between Jams
MTD Moscow Time Daylight
MTF Microsoft Tape Format
Modulation Transfer Function
MTRP Maximum Transfer Rate Performance
MTS Moscow Time Standard
Message Transfer Service/System
Microsoft Transaction Server
Multichannel Television Sound
MTTD Mean Time To Diagnose
MTTF Mean Time To Failure
MTTR Mean Time To Repair
MTT Multi-Transaction Timer
MTU Maximum Transmission Unit
MUA Mail User Agent
MUD Multi-User Dialogue/Dimension/Domain/Dungeon
MULTICS Multiplexed Information and Computing Service
MUL Multiply
MUMPS Massachusetts General Hospital Utility Multi-Programming System (Programming Language)
MUSE Multi-User Shared Environment
MUT Monitor Under Test
MUX Multiplexer
MVB Multimedia Viewer Book
MVC Multimedia Viewer Compiler
MVDM Multiple Virtual DOS Machines
MVGA Monochrome Video Graphics Array
MVIP Multi-Vendor Integration Protocol
MVP Multimedia Video Processor
MVS Multiple Virtual Storage
MVT Multiprogramming with a Variable number of Tasks
MV Millivolt
MXS Microsoft Exchange Server
MX Mail Exchanger
MYOB Mind your own business
MZR Multiple Zone Recording