| Acronym | Meaning |
| FRAD | Frame Relay Assembler/Disassembler |
| PAP | Password Authentication Protocol |
| TTL | Transistor-Transistor Logic |
| VRU | Virus Research Unit |
| OOP | Object-Oriented Programming |
| IAHC | Internet International Ad Hoc Committee |
| VERONICA | Very Easy Rodent-Oriented Networkwide Index To Computerized Archives |
| TFTP | Trivial File Transfer Protocol |
| SAP | Service Advertising Protocol |
| PGM | Pragmatic General Multicast / Pretty Good Multicast |