| Acronym | Meaning |
| ARPA | Advanced Research Projects Agency |
| USENET | User Network |
| PPPTP | Point-to-Point Tunneling Protocol |
| CERN | Conseil Europeen Pour Le Recherche Nucleaire |
| ISAM | Indexed Sequential Access Method |
| WMF | Windows Meta File |
| CIX | Commercial Internet Exchange Association |
| DSVD | Digital Simultaneous Voice And Data |
| GIS | Geographic Information System |
| CDFS | Compact Disk File System |