% WHEY ELEUERECAL ANB %
`ELECIRGNICS ENGINEEMNG
`
`DECTEGNARY
`
`Steven M. Kaplan
`Lexicographer
`
`IEEE
`
`IEEE PRESS
`
`‘WILEY’
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`INTERSCH ENCIE
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`A JOHN WILEY & SONS, INC., PUBLICATION
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`POLYGROUP EX. 1047
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`POLYGROUP V. WILLIS
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`Page 1
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`Copyright © 2004 by John Wiley & Sons, Inc. All rights reserved.
`
`Published by John Wiley & Sons, Inc., Hoboken, New Jersey.
`Published simultaneously in Canada.
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`Kaplan, Steven M.
`
`Wiley Electrical and Electronics Engineering Dictionary
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`ISBN 0-471-40224-9
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`Printed in the United States ofAmerica.
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`10987654321
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`351
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`human-computer interaction
`
`the server is not available, or an address has been incorrectly
`typed. Also called HTTP 404 Not Found, Error 404, 404
`Error, or 404 Not Found.
`HTTP-NG Abbreviation of Hyper'I‘ext Transport Protocol-
`Next Generation. An improved version of HTTP, which in-
`corporates enhancements such as increased security, layer-
`ing, and modularity.
`HTTP proxy Abbreviation of HyperText Transport Protocol
`proxy. Same as HTTP proxy server.
`HTTP proxy server Abbreviation of HyperText Transport
`Protocol proxy server. A proxy server that forwards client
`requests over the internet utilizing HTTP. Also called
`HTTP proxy.
`HT'IlP—Secure Same as HTTPS.
`
`HTTP Server Abbreviation of HypcrText Transport Protocol
`Server. A server which stores and retrieves HTML docu-
`ments, along with other resources, utilizing HTTP.
`https Same as HTTPS.
`HTTPS Abbreviation of HyperText Transport Protocol-
`Secure. A modification of HTTP which is utilized for
`transmitting data securely between servers and clients on the
`World Wide Web. A URL will appear with https instead of
`http when
`this
`protocol
`is
`utilized,
`as
`seen
`in:
`Ittqzs://wwinyipeece.com.
`huh I. The center part of something. For example, the center
`part of a fan, wheel, tape reel, or disk. 2. A central unit
`which provides connectivity between two or more devices in
`a communications network. A hub may be active or passive,
`but do_cs not provide switching or routing. Used, for in-
`stance, in a star network.
`hub-and-spoke network A communications network con-
`figuration in which all nodes are connected to a central node
`or hub. Also, a network with such a layout. Also called
`star network (1).
`hue A property of color whose visual sensation corresponds
`mostly to the wavelength of the light. Hue can refer to any
`color within the visual spectrum, and is identified by words
`such as purple, green, blue, orange, yellow, and so on.
`Achromatic colors, such as black, gray, and white, do not
`exhibit hue.
`
`hue control In a color TV receiver, a control which varies the
`phase of the chrominance signals with respect to the burst
`signal. This changes the hue of the televised images. Also
`called phase control (2).
`Huffman coding A data compression method which is based
`on the frequency in which the contained elements appear.
`Characters, symbols, or other elements which have a lower
`probability of appearing are encoded utilizing more bits,
`while elements with a higher probability of appearing are
`encoded utilizing fe\ver bits.
`In this way, the shortest bit se-
`quence corresponds to the most frequently occurring ele-
`ment.
`‘
`
`hum An electrical disturbance which is generally caused by
`the frequency of the AC supply, or by one of its harmonics.
`This may occur, for instance, when the output of a power
`supply is not properly filtered.
`In an audio-frequency sys-
`tem, hum may manifest itself as a sustained low-frequency
`audible disturbance.
`In a TV receiver, such a disturbance
`may result in horizontal hum bars.
`hum bars Same as horizontal hum bars.
`
`hum bucking Same as humbucking.
`hum bucking coil Same as humbuclcing coil. _
`hum intcrl'erence Any disturbance resulting from hum.
`hum modulation Undcsired modulation of a signal, due to
`hum interference.
`
`human-computer interaction The use of one or more lur-
`man-computer interfaces.
`Its abbreviation is HCI. Also
`called user-computer interaction.
`
`A
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`L document Abbreviation of HyperText Markup Lan-
`age document. A document prepared utilizing HTML.
`L editor Abbreviation of HyperText Markup Language
`tor. An editor utilized for creating Web pages utilizing
`ML. An HMTL editor may enable a user to format Web
`ges using menus and buttons,
`in addition to utilizing
`commands, and display the page being edited the same way
`vill be displayed on the World Wide Web.
`!ML page Abbreviation of I-lyperText Markup Language
`‘age. A Web page prepared utilizing HTML.
`-ML source Abbreviation of HyperText Markup Language
`‘_ urce. Same as HTML code.
`ML source code Abbreviation of HyperText Markup
`hanguage source code. Same as HTML code.
`L tag Abbreviation of Hyper'I‘ext Markup Language
`ag. Codes used for formatting, hyperlinking, and the like,
`when utilizing HTML.
`S Abbreviation of high-temperature superconductivity,
`or l1lgli—tcmperaturc superconductor.
`tttp Same as HTTP.
`
`arid clients on the World Wide Web. When a Web server
`transfers the information in an HTML document
`is to a
`user's Web browser, HTTP is usually used. For instance, in
`the following URL, http://wtvw.yh7eece.com, the Imp indi-
`cates that this protocol is being used. Most Web browsers
`default to HTTP, so www.yipeeee.cam would be the same as
`/1l!p://www._yh)eeee.com.
`HTTP 404 Not Found Same as HTTP Error 404.
`HTTP Error 404 An error message displayed by a Web
`browser when it cannot locate a given Web page, file, or
`:. URL, as occurs, for instance, when a page no longer exists,
`
`
`
`3, a device which emits such a tone when a short-
`‘uit is located.
`A sustained, undesired, and generally disagreeable
`-frequency tone usually caused by acoustic or electric
`ack. Also called howl (2).
`reviation of horsepower.
`
`A bbreviation ofhigh~power amplifier.
`Abbreviation of handheld PC, or handheld personal
`‘uter.
`'
`-
`Abbreviation ofHomePN.'A.
`libreviation ol’ liour.
`Abbreviation of high-resolution electron micro-
`jpe, or high-resolution electron microscopy.
`Abbreviation of head-related transfer function.
`-ihemical symbol for hassium.
`SD
`Abbreviation of High-Speed Circuit-Switched
`ta.
`
`Abbreviation of hierarchical storage management.
`"Abbreviation ofhigh-speed serial interface.
`6 Abbreviation of horizontal sync, or horizontal syn-
`Fonization.
`bbreviation of high tension.
`'L Abbreviation of HyperText Markup Language. A
`guage utilized to create documents on the World Wide
`b. HTML utilizes tags and attributes which determine
`‘tors such as page layout, graphics, fonts, and hypennedia
`‘linking between Web pages, or sections of pages. '
`_'L code Abbreviation of HyperText Markup Language
`de. Programming statements and instructions written in
`ML. Also called HTML source, or HTML source
`dc
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`I-fill
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