| Acronym | Meaning |
| DAC | Digital-to-Analog Converter |
| PWB | Printed Wire Board |
| DASD | Direct Access Storage Device |
| BDP | Bandwidth-delay Product |
| ESP | Encapsulating Security Payload |
| EEPROM | Electrically Erasable Programmable Read-Only Memory |
| TFTP | Trivial File Transfer Protocol |
| CYMK | Cyan Yellow Magenta Black (Key) |
| SDH | Synchronous Digital Hierarchy |
| NETBIOS | Network Basic Input Output System |