| Acronym | Meaning |
| ITU | International Telecommunications Union |
| ULTRAATA | Ultra AT Attachment |
| OSI | Open System Interconnection |
| EIDE | Enhanced Intelligent Drive Electronics |
| AARP | AppleTalk Address Resolution Protocol |
| BOOTP | BOOTstrap Protocol |
| XTA | XT (Extended) Attachment |
| UART | Universal Asynchronous Receiver/Transmitter |
| IAB | Internet Architecture Board |
| MOSFET | Metal Oxide Semiconductor Field Effect Transistor |