| Acronym | Meaning |
| BSD | Berkeley Software (System) Distribution (Design) |
| PTH | Plated Through-Hole |
| IAHC | Internet International Ad Hoc Committee |
| HD | High Density |
| USENET | User Network |
| XMI | XML Metadata Interchange |
| PDL | Page Description Language |
| ASAP | As Soon As Possible |
| EAP | Extensible Authentication Protocol |
| LIM | Lifeline Interface Module |