D

E

Enumerator

an enumerator is a component that discovers PnP devices based on a PnP hardware standard. In Windows 2000, the tasks of an enumerator are carried out by a PnP bus driver in partnership with the PnP Manager. A device is typically enumerated by its parent bus driver, such as PCI or PCMCIA. Some devices are enumerated by a bus filter driver, such as ACPI.

ERD (Emergency Repair Disk)

the disk used for emergency recovery of the damaged Windows NT/2000 systems. In Windows XP, systems ERD functionality has been replaced by ASR (Automated System Recovery).

Executive

the set of kernel-mode components providing the basis of the Windows NT/Windows 2000 operating systems.