| Acronym | Meaning |
| SPEC | Standard Performance Evaluation Corporation |
| MAN | Metropolitan Area Network |
| FSK | Frequency Shift Keying |
| PMT | Photomultiplier Tube |
| S/MIME | Secure/MIME |
| MMU | Memory Management Unit |
| MIS | Management Information Services |
| WATS | Web-based Assessment And Testing Systems |
| UTP | Unshielded Twisted Pair |
| VGA | Video Graphics Array (Adapter) |