| Acronym | Meaning |
| MFM | Modified Frequency Modulation |
| VDT | Video Display Terminal |
| ANSA | Adaptive Network Security Alliance |
| CSU | Channel Service Unit |
| EMM | Expanded Memory Manager |
| GRINS | Graphical Interface To SMIL |
| CSDGM | Content Standard For Digital Geospatial Metadata |
| WAIS | Wide-Area Information Server |
| MIME | Multipurpose Internet Mail Extension |
| HDD | Hard Disk Drive |