| Acronym | Meaning |
| LAN | Local Area Network |
| MDIS | Metadata Interchange Specification |
| PAL | Phase Alternating Line |
| PIN | Personal Identification Number |
| BASIC | Beginners All-purpose Symbolic Instruction Code |
| WDM | Wavelength Division Multiplexing |
| EBCDIC | Extended Binary Coded Decimal Interchange Code |
| DAFS | Direct Access File System |
| GPS | Global Positioning Satellite (System) |
| SYSOP | System Operator |