| Acronym | Meaning |
| B-ISDN | Broadband-Integrated Services Digital Network |
| VTAM | Virtual Telecommunications Access Method |
| AWHFY | Are We Having Fun Yet |
| ELF | Extremely Low Frequency |
| UNC | Universal Naming Convention |
| IDSL | ISDN Digital Subscriber Line |
| PJTF | Portable Job Ticket Format |
| VMS | Virtual Memory System |
| CHRP | Common Hardware Reference Platform |
| WML | Wireless Markup Language |