| Acronym | Meaning |
| OLTP | On-Line Transaction Processing |
| TFTP | Trivial File Transfer Protocol |
| PDA | Personal Digital Assistant |
| CNG | Calling Tone |
| HDR | High Data Rate |
| ADSL | Asymmetric Digital Subscriber Line |
| POTS | Plain Old Telephone Service |
| SMS | Systems Management Server |
| LIM | Lotus-Intel-Microsoft |
| MARS | Multi-player Animated Role-playing System |