| Acronym | Meaning |
| DCE | Data Communications Equipment |
| PIN | Personal Identification Number |
| GNU | Recursive Acronym For ?GNU's Not Unix? |
| TSR | Terminate-and-Stay-Resident |
| PISO | Parallel-In/Serial-Out |
| FF | Form Feed |
| DXF | Data Exchange File (Format) |
| DAFS | Document Attribute Format Specification |
| VR | Virtual Reality |
| RLL | Run Length Limited |