The meaning of the Acronym MAC is...

MAC is

• Machine Always Crashes
• Macintosh All Caps
• Middle Aged Crazy
• Manga Anime Cartoon
• Most Amazing Computer
• Macs Are Crap
• Moron-Accessible Computer
• Most Awesome Computer

More Meanings For MAC:

• Measured Attenuation Correction
• Moves, Adds, and Changes
• Media Access Control
• Apple Macintosh Black & White MacPaint file Bitmap graphics
• Macro
• Media Access Control
• Multiple Architecture Computer
• Motorola Advanced Computer
• Metered Automatic Cartridge
• Media Access Control
• Medium Access Control
• Media Access Controller
• Message Authentication Code
• MAC Address Collector
• Machine Aided Cognition

MAC is also in:

• Assembly
• Databases
• Drivers
• File Extensions
• General
• Hardware
• Networking
• Security
• Software