| Acronym | Meaning |
| ELF | Extremely Low Frequency |
| DINOR | Divided Bit-line NOR |
| WATS | Wide Area Telecommunications System |
| IRDA | Infrared Data Association |
| ADS | Alternate Data Streams |
| RMTP | Reliable Multicast Transport Protocol |
| SVC | Switched Virtual Circuit |
| TSR | Terminate-and-Stay-Resident |
| MICR | Magnetic Ink Character Recognition (Reader) |
| SNA | Systems Network Architecture |