| Acronym | Meaning |
| RARP | Reverse Address Resolution Protocol |
| ARQ | Automatic Repeat Request |
| PDL | Page Description Language |
| BSD | Berkeley Software (System) Distribution (Design) |
| NGI | Next Generation Internet |
| MOS | Metal Oxide Semiconductor |
| LZW | Lempel-Zif-Welsh |
| AWT | Abstract Windows Toolkit |
| CRC | Cyclic Redundancy Check (Code) |
| QSIG | Q (point Of The ISDN Model) Signaling |