| Acronym | Meaning |
| ELF | Extremely Low Frequency |
| CAV | Constant Angular Velocity |
| MIDI | Musical Instrument Digital Interface |
| PPP | Point-to-Point Protocol |
| MICR | Magnetic Ink Character Recognition (Reader) |
| EAP | Extensible Authentication Protocol |
| LAN | Local Area Network |
| PIC | Programmable Interrupt Controller |
| SVGA | Super Video Graphics Array |
| OCX | OLE Custom Control |