20,531 terms including subtopics (0 terms filed directly here)
Technology terms
WERWeak Echo Region - Radar term for a region of relatively weak reflectivity at low levels on the inflow side of a thunderstorm echo, topped by stronger…
Western Test Range (WTR)Beginning at Vandenberg AFB, CA, this range stretches halfway around the globe where it meets the Eastern Test Range.
whileA Java keyword used to declare a loop that iterates a block of statements. The loop's exit condition is specified as part of the while statement.
while loopOne of Java's three control structures used for looping. The other two are the do loop and for loop.
whip antennaA flexible rod antenna, usually between 1/10 and 5/8 wavelength long, supported on a base insulator.
white areaThe area or population which does not receive interference-free primary service from an authorized AM station or does not receive a signal strength of at…
white clipThe maximum system-permissible excursion of the video signal in the white direction. [After SMPTE]
white compressionIn television technology, the reduction of gain applied to light areas in picture signal (corresponding to the midrange light value in the picture).
white facsimile transmissionIn an amplitude-modulated facsimile system, transmission in which the maximum transmitted power corresponds to the minimum density, i.e.
White Hat SEOSearch engines set up guidelines that help them extract billions of dollars of ad revenue from the work of publishers and the attention of searchers.
White ListAdd an email address to this list to accept all mail from the sender, regardless of Black List generalization.
White noiseRandom energy containing all frequency components in equal proportions.
white pagesA hard copy telephone directory listing of subscriber names, addresses, and telephone numbers.
white peakIn video, a peak excursion of the picture signal in the white direction. [After IEEE-100] [After SMPTE]
white pointIn video technology, that point on the chromaticity diagram having the tristimulus of a source appearing white under the viewing conditions; i.e.
white reference1. In video teleconferencing, the light from a nonselective diffuse reflector (in the original scene) that is lighted by the normal illumination of the…
white signalIn facsimile systems, the signal resulting from scanning a minimum-density area, i.e., the white area, of the object.
white spaceCharacters used to create visual spacing within a program. White spaces include space, tab, carriage return and line feed characters.
whiteboardA feature of an Internet videoconferencing program that allows participants to use drawing and/or annotation tools to develop collaborative images or to…
whitespaceA "character" that moves your cursor but doesn't otherwise put anything on your screen.
who-are-you (WRU) characterA transmission-control character used for (a) switching on an answer-back unit in the station with which the connection has been established, (b)…
WhoisEach domain has an owner of record. Ownership data is stored in the Whois record for that domain.
WhorlA fingerprint pattern in which the ridges are circular or nearly circular.... The pattern will contain 2 or more detals.
Wide Area Information Server (WAIS)(WAIS)A client/server software system that provides sophisticated indexing of files based on all words in each file and provides scoring and "relevance…
wide area networkA communications network connecting geographically separated computers, printers, and other devices.
Wide area network (WAN)(WAN)Computer data communications technology that connects computers at remote sites.
Wide Area Telephone Service (WATS)A toll service offering for customer dial type telecommunications between a given customer station and stations within specified geographic rate areas…
Wide SCSIA SCSI protocol that allows 16- and 32-bit data transfers.
wide trackA set of two or more adjacent tracks written on a diskette with the same data, as part of a method of copy protection. [2382-pt.8]
widebandThe property of any communications facility, equipment, channel, or system in which the range of frequencies used for transmission is greater than 0.
wideband channelA communication channel of a bandwidth equivalent to twelve or more voice grade channels. [47 CFR Pt.36-A]
wideband modemA modem whose modulated output signal can have an essential frequency spectrum that is broader than that which can be wholly contained within, and…
widelinkA parameter that controls whether or not links in the UNIX file system may be followed by the server.
WikiSoftware which allows information to be published using collaborative editing.
WikipediaFree online collaborative encyclopedia using wiki software. See also: Wikipedia
WindowA generic term for a glazed opening that allows daylight to enter into a building and can be opened for ventilation.
window managerA window manager provides a computer user with a virtual desktop containing one or more windows and working areas in which individual programs may be run.
window tabA button that represents an open window in Notes. Window tabs are convenient for switching back and forth between windows.
windowingSectioning of a video display area into two or more separate regions for the purpose of displaying images from different sources.
Windows AIKA Microsoft suite of tools designed to help original equipment manufacturers, system builders, and corporate IT professionals customize, automate, and…
Windows Automated Installation KitA Microsoft suite of tools designed to help original equipment manufacturers, system builders, and corporate IT professionals customize, automate, and…
Windows DSSoftware services that allow an administrator to set up new client computers remotely, without having to visit each client.
Windows Error ReportingThe Windows technology that collects data on system crashes or hangs and sends it to Microsoft.
Windows FirewallFirewall software that is a component of Windows XP SP2 and later. The previous version of this software was called Internet Connection Firewall (ICF).
Windows Resource ProtectionA feature in Windows that attempts to block the replacement of necessary system files to improve reliability and security.
Windows Security Health AgentWindows system health agent (SHA) for Network Access Protection (NAP). Windows Security Health Agent provides status of system health components that are…
Windows Security Health ValidatorWindows system health validator (SHV) for Network Access Protection (NAP). Windows Security Health Validator verifies status of system health components…
Windows SetupThe program that installs or upgrades the Windows operating system.
Windows UpdateThe API platform, user interface, and Web service for delivering Windows updates and applications.
Wing Control Center (WCC)A second Space Wing center that logistically/administratively controls operational satellite systems operated by them at worldwide locations.
winkIn telephone switching systems, a single supervisory pulse, i.e., the momentary presence of, or interruption of, a supervisory signal.
wink pulsingIn telephone switching systems, recurring pulsing in which the off-condition is relatively short compared to the on-condition.
wink-start signalAn off-hook condition applied to the NI (network interface) by the CI (customer installation) for a timed interval that indicates the CI recognizes a…
Wired Equivalent Privacy (WEP)Wired Equivalent Privacy, a security protocol for wireless local area networks (WLANs) defined in the 802.11b standard.
wired radio frequency systemsSystems employing restricted radiation devices in which the radio frequency energy is conducted or guided along wires or in cables, including electric…
wirelessDescriptive of a network or terminal that uses electromagnetic waves (including rf, infrared, laser, visible light-and acoustic energy) rather than wire…
wireless accessTerminal access to the network which uses wireless technology. [T1.Rpt22-1993]
wireless access modeIn personal communications service, interfacing with a network access point by means of a standardized air interface protocol without the use of a…
Wireless Application Protocol (WAP)A standard for providing cellular telephones, pagers, and other handheld devices with secure access to e-mail and text-based Web pages
Wireless E911 ESRD/ESRK NumberA 10-digit number used for the purpose of routing an E911 call to the appropriate Public Service Answering Point (PSAP) when that call is originating from…
wireless mobility managementIn Personal Communications Service (PCS), the assigning and controlling of wireless links for terminal network connections.
wireless services providerA company that provides wireless telecommunication service to customers, e.g., cellular service providers, radio common carriers, paging companies. [T1.
wireless terminalAny mobile terminal, mobile station, personal station, or personal terminal using non-fixed access to the network.
wirelineA term associated with a network or terminal that uses metallic wire conductors (and/or optical fibers) for telecommunications. [After T1.414-1998]
wireline accessTerminal access to the network which uses wireline technology (e.g., conventional telephone sets and subscriber lines). [T1.Rpt19-1993]
wireline access modeInterfacing with the network via a physical wired connection. This can be employed by either a wired or wireless terminal operating in a wired mode via a…
wireline common carrierA telecommunications common carrier that is also engaged in the business of providing landline local exchange telephone service. [47CFR]
withdraw materialTo deny public access to documentary material on the basis of an informed decision rather than in response to a formal access request.
Withhold1. A term used in a pre-planned response option (PRO) to identify the withholding of part of the space or ground weapon inventory against detected threat…
withhold materialTo deny public access to documentary material on the basis of a formal review and pursuant to the provisions of some controlling authority, such as the [a…
witness diskFor a failover cluster, a disk in the cluster storage that is designated to hold a copy of the cluster configuration database.
witness file shareFor a failover cluster, a file share in the cluster storage that is designated to hold information about the cluster configuration database.
wizardAn intelligent, trainable Web spider. Synonyms droid, smart bot, spider.
WMA (Wireless Messaging API)The Wireless Messaging API (WMA) is a set of classes for sending and receiving Short Message Service messages. See also SMS.