| MAC |
Message Authentication Check/Code |
| MAC |
Membership Advisory Committee |
| MACE |
Middleware Architectural Committee for Education |
| MACF |
Mandatory Access Control Framework |
| MACP |
Motion Adaptive Color Plus |
| MACS |
Mixed Aloha Carrier Sense |
| MACS |
Modem Access Control System |
| MACUL |
Michigan Association of Computer Users in Learning |
| MADCAP |
Multicast Address Dynamic Client Allocation Protocol |
| MADSL |
Margin Adaptive Digital Subscriber Line |
| MAE |
Metropolitan Area Exchange |
| MAE |
Macintosh Application Environment |
| MAF |
Mozilla Archive Format |
| MAGRAM |
Magnetic Random Access Memory |
| MAN |
Metropolitan Area Network |
| MAN |
Manchester (Coding) |
| MANET |
Mobile Adhoc Network |
| MANIAC |
Mathematical Analyzer, Numerical Integrator, and Computer |
| MAP |
Maintenance Analysis Procedure |
| MAP |
Mobile Application Part |
| MAP |
Message Access Protocol |
| MAP |
Manufacturing Package |
| MAP |
Manufacturing Automation Protocol |
| MAPI |
Mail/Message/Messaging Application Programmer/Programming Interface |
| MAPICS |
Manufacturing, Accounting and Production Information Control System (IBM) |
| MAPS |
Mail Abuse Prevention System |
| MAPTOP |
MAP Technical Office Protocol |
| MAR |
Memory Address Register |
| MARBI |
Machine-Readable Bibliographic Information (Committee) |
| MARC |
Machine-Readable Cataloging/Code |
| MARID |
MTA Authorization Records In DNS |
| MARP |
Multi LAN Address Resolution Protocol |
| MARPA |
Mini Automatic Radar Plotting Aid |
| MARS |
Multicast Address Resolution Server |
| MARS |
Military Affiliate Radio System |
| MARS |
Message Archiving and Retrieval Service |
| MAS |
Multi Agent System |
| MAS |
Microsoft Anti-Spyware |
| MASC |
Multicast Address-Set Claim (Protocol) |
| MASER |
Microwave Amplification by Stimulated Emission of Radiation |
| MASM |
Macro Assembler (Microsoft) |
| MASS |
Message Authentication Signature Standard |
| MASS |
Mass Storage System |
| MAU |
Multi Station Access Unit |
| MAU |
Medium Attachment Unit (Ethernet) |
| MAVT |
Mobile Audio Visual Terminal |
| MAZ |
Magnetbildaufzeichnung |
| MB |
Macro Block |
| MB |
Megabyte/Multi Byte |
| MBA |
Managed PC Boot Agent |