| Acronym | Meaning |
| DAC | Digital-to-Analog Converter |
| PPI | Pixels Per Inch |
| VPN | Virtual Private Network |
| ISA | Industry Standard Architecture |
| HDMI | High-Definition Multimedia Interface |
| DVD-RW | Digital Versatile Disk Rewritable |
| DVD+R | Digital Versatile Disc Recordable |
| DSLAM | Digital Subscriber Line Access Multiplexer |
| GPS | Global Positioning System |
| ACL | Access Control List |