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W

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

waking

In Power Management, the transition from a sleeping state to the working state.

WAN

See wide area network (WAN).

warm docking

Inserting a portable computer or other mobile system into a base unit while the mobile system's power is in a reduced power state.

WDM

See the topic, Windows Driver Model.

WEP

See wired equivalent privacy (WEP).

WEP key

A wired equivalent privacy (WEP) key is a preshared key used in an 802.11 LAN for authentication or encryption, or for both.

wide area network (WAN)

A communications network that connects geographically separated areas.

Compare with local area network (LAN).

Win32 API

An application programming interface for Windows-based operating systems.

window turn

The process of filling a map control block (MCB) with the appropriate retrieval pointers in order to map a virtual block number (VBN) for a file to a logical block number (LBN) for a disk.

Windows File Protection (WFP)

WFP prevents setup programs that are not part of the operating system from overwriting shared system files.

WFP protects system files (typically DLLs and EXEs) by running in the background and detecting attempts to replace protected system files.

Windows Hardware Quality Lab (WHQL)

A Microsoft group that provides and manages testing programs to ensure that your hardware and drivers qualify for the Windows Logo Program (WLP).

Windows Logo Program (WLP)

Starting with Windows Vista, this Microsoft group addresses the current and future market needs of customers using the Windows platform. Through testing programs provided by the Windows Hardware Quality Lab (WHQL), WLP identifies products that are designed and tested to deliver a superior experience with the Windows platform.

Windows Marketplace Tested Products List

A Web site that lists hardware and software that is designed for use with Windows Server 2003, Windows XP, and Windows 2000 Server.

Windows NT virtual DOS machine

A protected environment subsystem that emulates MS-DOS and 16-bit Windows within NT-based operating systems. A VDM is created whenever a user starts an MS-DOS application on an NT-based operating system.

Windows on Win32 (WOW)

A protected subsystem that runs within a VDM process. It provides a 16-bit Windows environment capable of running any number of 16-bit Windows applications on an NT-based operating system.

wired equivalent privacy (WEP)

Wired equivalent privacy (WEP) is a set of security services used to protect 802.11 wireless networks from unauthorized access. WEP services prevent network intrusions that can result from unauthorized persons using hardware similar to that deployed on the protected network. Additionally, WEP services prevent the capture of wireless LAN traffic, also known as eavesdropping.

work item

An IO_WORKITEM structure that represents a unit of work for a system worker thread. Drivers use work items to perform operations that require delayed processing, or must run in a system thread context. For more information, see System Worker Threads.

working set

The set of pages that are resident for a given process while it has one or more running threads.

The size of each process's working set is bounded by a minimum number of pages that the memory manager guarantees to be resident while the process has one running thread and by a maximum. However, the NT kernel does not necessarily constrain a process's working set to its maximum if many free pages are available.

See also balance set and quota.

working set list (WSL)

The set of working set list entries (WSLEs) for the current process.

WORM

Write-once, read many.

WOW64

The x86 emulator that allows Win32-based applications to run on 64-bit Windows.

WSL

See working set list (WSL).

WSLE

Working set list entry.

 

 

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