| Acronym | Meaning |
| DIP | Dual In-line Package |
| INTERNIC | Internet Network Information Center |
| EIA | Electronic Industries Alliance (Association) |
| NSF | National Science Foundation |
| DIZ | Description In ZIP |
| WAP | Wireless Application Protocol |
| MAPI | Messaging Application Programming Interface |
| BSD | Berkeley Software (System) Distribution (Design) |
| ARM | Advanced RISC Machines Ltd |
| ABEND | Abnormal End |