| Acronym | Meaning |
| T1 | T-One - Carrier Signal (communications) |
| SMDS | Switched Multimegabit Data Services |
| SET | Secure Electronic Transaction |
| CD-RW | Compact Disc-Rewritable |
| CRAM | Computational RAM |
| ATL | Active (ActiveX) Template Library |
| PKI | Public Key Infrastructure |
| SAS | Serial Attached SCSI |
| VLAN | Virtual LAN |
| AUI | Attachment Unit Interface |