| Acronym | Meaning |
| MAE | Metropolitan Area Exchange (Ethernet) |
| CFI | Common Flash Interface |
| PQDIF | Power Quality Data Interchange Format |
| CCI | Common Content Inspection |
| HSM | Hierarchical Storage Management |
| CNG | Calling Tone |
| MOS | Metal Oxide Semiconductor |
| TSAPI | Telephony Service API |
| ADO | ActiveX Data Objects |
| AIML | Astronomical Instrument Markup Language |