| Acronym | Meaning |
| DDE | Dynamic Data Exchange |
| GNU | Recursive Acronym For ?GNU's Not Unix? |
| UIN | Universal Internet Number |
| PCL | Printer Control Language |
| CDI | Common Data Interface |
| NUMA | Non-Uniform Memory Access |
| PAN | Personal Area Network |
| CD-PROM | Compact Disc-Programmable Read Only Memory |
| CHRP | Common Hardware Reference Platform |
| XMS | Extended Memory Specification |