| Acronym | Meaning |
| PDA | Personal Digital Assistant |
| SIMM | Single In-line Memory Module |
| TAPI | Telephony Application Programming Interface |
| PKI | Public Key Infrastructure |
| RADSL | Rate-Adaptive Digital Subscriber Line |
| TTF | True Type Font |
| ABEND | Abnormal End |
| PISO | Parallel-In/Serial-Out |
| SQL | Structured Query Language |
| ACPI | Advanced Configuration And Power Interface |