Writing Windows WDM Device Drivers

| \DosDevices | \?? | Different names for the symbolic link directory seen by WinObj |
| AC | Alternating Current | |
| ACK | Acknowledge | |
| ACK | USB Acknowledge packet | |
| ACPI | Advanced Configuration and Power Interface BIOS specification | http://www.teleport.com/~acpi/ |
| AGP | Accelerated Graphics Port | |
| APC | Asynchronous Procedure Call | Code that operates in the context of a specific user thread |
| API | Application Programmer Interface | |
| AML | ACPI Machine Language | |
| ASL | ACPI Source Language | |
| ATVEF | Advanced Television Enhancement Forum | HTML-based enhanced television info@atvef.com or, in Europe, dvbinfo@atvef.com |
| BIOS | Basic Input/Output System | |
| BSOD | Blue screen of death | NT and W2000 bugcheck screen |
| build | Command line tool for building drivers | |
| Bulk | A USB data transfer type, for large blocks of data | |
| CDB | Command Descriptor Block | For SCSI commands |
| checked build | Nonoptimized debug build of a driver or Windows, with debug symbols | |
| CIM | Common Information Model | WBEM model for WMI |
| CIMOM | CIM Object Manager | |
| CMIP | Common Management Information Protocol | |
| COM | Common Object Model | |
| Composite device | A USB device with more than one interface | |
| Compound device | A piece of USB hardware with several internal USB devices | |
| Configuration | A set of interfaces in a USB device | |
| Control | A USB data transfer type for small blocks of data | |
| DATA0, DATA1 | USB Data packet IDs | |
| DC | Direct Current | |
| DDC | Display Data Channel | Monitor/video channel enumeration |
| DDK | Driver Development Kit | |
| DDI | Device Driver Interface | |
| DebugPrint | PHD driver trace tool | |
| default pipe | A flow of data to USB... |