| Acronym | Meaning |
| GREP | Generalized Regular Expression Pattern-matcher |
| LEP | Light Emitting Polymers |
| GIS | Geographic Information System |
| IOS | Input Output System |
| ARM | Advanced RISC Machines Ltd |
| IRC | Internet Relay Chat |
| PUP | Potentially Unwanted Program |
| ISDN | Integrated Services Digital Network |
| SMDS | Switched Multimegabit Data Services |
| SMIL | Synchronized Multimedia Integration Language |