Select the first letter of the word from the list above to jump to appropriate section of the glossary or type the term on which you want to search.

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QIC

(Quarter-inch Cartridge) a popular type of backup data storage that uses magnetic tape.

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QoS

(Quality Of Service) a defined level of performance in a data communications system. For example, to ensure that realtime voice and video are delivered without annoying blips, a guarantee of bandwidth is required. The plain old telephone system (POTS) has delivered the highest quality of service for years, because there is a dedicated channel between parties.

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query

a question, usually one presented to a database or search engine to find a file, Web page, product or service.

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queue

pronounced “Q” a waiting line where elements of many varieties are sorted and are waiting to be processed. For example, a number of printing jobs may be “queued up” waiting to be printed. The printer takes a single document at a time and prints it.

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QuickDraw

Macintosh graphic control language used to create, display and manipulate graphical images.

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QuickTime

part of the Macintosh operating system used for the display of video and animation that requires a special QuickTime driver. QuickTime is available for PC users by downloading the Windows plug-in.

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QuickTime VR

(QuickTime Virtual Reality) an upgraded version of QuickTime developed by Apple that allows users to experience 3D photographs and other graphical images using a mouse to zoom in and out, rotate and otherwise manipulate a wide variety of shapes and forms.

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quit

to exit an application by properly saving work and shutting it down.