| Acronym | Meaning |
| UPS | Uninterruptible Power Supply |
| HMA | High Memory Area |
| WAP | Wireless Access Protocol |
| JDK | Java Developers (Development) Kit |
| SSD | Solid-state Disk |
| WEP | Wireless Equivalent Privacy |
| OTOH | On The Other Hand |
| DSTN | Double-layer Supertwist Nematic. (in Passive-matrix LCD Technology) |
| DBMS | Database Management System |
| PCS | Personal Communications System |