| Acronym | Meaning |
| ITU | International Telecommunications Union |
| CMTS | Cable Modem Termination System |
| SSL | Secure Sockets Layer |
| NDMP | Network Data Management Protocol |
| PGP | Pretty Good Privacy |
| COM | Component Object Model |
| WEBCGM | Web Computer Graphics Metafile |
| ISDN | Integrated Services Digital Network |
| CBT | Computer-Based Training |
| SIMM | Single In-line Memory Module |