| Acronym | Meaning |
| IIOP | Internet Inter-ORB Protocol |
| PIM | Personal Information Manager |
| WPA | Wi-Fi Protected Access (WPA And WPA2) |
| PITA | Pain In The Ass / Arse |
| BOOTP | BOOTstrap Protocol |
| MUD | Multiple User (or Multi-User) Dungeon (Dimension) |
| CMYK | Cyan Magenta Yellow Black (Key) |
| CRAM | Card RAM |
| SDH | Synchronous Digital Hierarchy |
| VOIP | Voice Over Internet Protocol |