| Acronym | Meaning |
| DLC | Data Link Control |
| XUL | XML-based User Interface Language |
| MIS | Management Information Services |
| AMS | American Mobile Satellite Corporation |
| DSL | Digital Subscriber Line |
| CSMA/CA | Carrier Sense Multiple Access/Collision Avoidance |
| CDMA | Code Division Multiple Access |
| ADVEIS | Anti-Virus Dependent Vulnerabilities In E-mail Infrastructure Security |
| IIOP | Internet Inter-ORB Protocol |
| BICMOS | Bipolar Complementary Metal Oxide Semiconductor |