| Acronym | Meaning |
 | ADPCM | Adaptive Differential Pulse Code Modulation |
 | ADSL | Asymmetric Digital Subscriber Line |
 | ACU | Automatic Calling Unit |
 | CCD | Charge-Coupled Device |
 | CMMI | Capability Maturity Model Integration |
 | CYMK | Cyan Yellow Magenta Black (Key) |
 | MODEM | Modulator/Demodulator |
 | WOSA | Windows Open Services Architecture |
 | ADO | ActiveX Data Objects |
 | CGM | Computer Graphics Metafile |