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Glossary of Terms

Glossary of Terms

Wall
The recipient of a projected image. Also used to partition rooms within buildings.
WAN
Acronym for Wide Area Network.
Watt
A measure of electrical power. As it pertains to InFocus projectors, a watt measures the power of the internal speaker.
Wave Point
A digital value that represents the voltage of a signal at a specific point in time. Waveform points are calculated from sample points and stored in memory.
Waveform
A display of a signal (on an oscilloscope) that shows the magnitude of current or voltage with respect to time. For example, by displaying the waveform of a signal on an oscilloscope, and measuring the time between cycles, its frequency can be calculated.
Waveform Monitor
A special oscilloscope used to display and analyze electrical (voltage or current) signals.
Weight
The actual weight of the projector minus power cord, bag, and other optional accessories. InFocus designs and builds some of the lightest projectors on the market.
White
The lightest visible surface, created by a reflection of all colored light.
White Level
The signal level which corresponds to the maximum picture brightness in television. The white level set by the contrast control.
White Noise
Noise with random amplitude (strength) over a wide frequency range. Used to test loud speakers for resonance and sensitivity. Low levels of white noise can be used to cover up other random noises, for example in an open office environment.
Wide Area Network
A communications network that services a geographic area larger than that served by a local area network or metropolitan area network. WANs usually are found in large companies that need all their branch offices connected "real-time" to the same server.
Width
The size of an image in a horizontal direction.
Window
A defined portion of the computer screen in which a video image or other information is presented. In graphical user interfaces, a rectangular portion of the display in which you view a document or application.
Windows
Microsoft's addition to MS DOS that presents a graphical user interface.
Windows NT
Microsoft's new graphical user interface that fully incorporates MS DOS and/or UNIX.
Workstation
A device equipped with a keyboard which is capable of sending text and receiving text from a computer CPU. A workstation is usually super high resolution graphics and extremely powerful computing capabilities.
World Wide Web
An international network of subscriber sites where selected information in the form of text and/or graphics is made available to computer users (web site visitors).
WORM Memory
Acronym for write-once/read-many. A type of permanent optical storage that enables the user to record original information on a blank user to record original information on a blank disc, but prevents that information from being changed or erased after the initial recording.
Write
The transcription of recorded data from one location to another or from one medium to another.
WWW
Acronym for World Wide Web.
WYSIWYG
Acronym for "What You See Is What You Get." This refers to a graphical display mode in which the page on the display screen represents exactly what will appear on the printed page.
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