| Acronym | Meaning |
| DDE | Dynamic Data Exchange |
| PGM | Pragmatic General Multicast / Pretty Good Multicast |
| HSL | Hypermedia Synchronization Language |
| UNC | Universal Naming Convention |
| CBT | Computer-Based Training |
| MS-DOS | Microsoft Disk Operating System |
| ABEND | Abnormal End |
| GSM | Global System For Mobiles |
| RAMDAC | Random Access Memory Digital-to-Analog Converter |
| WIT | Wireless Information Terminal |