DICTIONARY®P
`
`
`
`
`TERMS
`COMPLETELY REVISED
`& UPDATED
`
`#500 COMPUTER TERMS EXPLAINED
`COVERS THE MOST CURRENT
`'GOMPUTERTERMIeeeNITHCLEAR
`JARGON-FREE DEFINITIONS
`
`THIRD EDITION
`
`Seeeeenn ___—f XP EX 1022
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`,
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`Third Edition
`
`Copyright © 1988 by Simon & Schuster, Inc.
`All rights resetved
`including the right of reproduction
`in whole or in part in any form
`
`II
`
`Prentice Hall General Reference
`15 Columbus Circle
`New York, NY 10023
`
`A Webster's New World -Book
`
`Webster's New World, Prentice Hall
`and colophons are registered tr~demarks
`of Simon & Schuster, Inc.,
`
`Manufactured in the United States of America
`
`8 9 10 11 12
`
`Library of Congress Cataloging-In-Publication Data
`
`Webster's New World dictlonmy of computer terms.
`
`Rev. ed. of: Webster's New World dictlonaiy of
`computer terms / compiled by Laura Darcy and Louise
`Boston. cl983
`I. Computers-Dictionaries. 2. Electronic data pro(cid:173)
`cesstng-Dictlonaries. I. Darcy, Laura. Webster's New
`World dictionary of computer terms.
`QA76.15.W36
`1988
`004'.03
`ISBN 0-13-949231-2 (pbk.)
`
`8888-14279
`
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`49
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`chroma
`
`heckpoint A specified point at which a program can be in(cid:173)
`c terrupted, either manually or by a control routine. Used pri(cid:173)
`marily as an aid in debugging programs.
`
`check problem A testing problem designed to determine
`whether a computer or a computer program is operating
`correctly. See BUG, DEBUG, and TEST DATA.
`
`check sum A summation of digits or bits used primarily for
`checking purposes and summed according to an arbitrary
`set of rules. The check sum is used to verify the integrity of
`data.
`
`chief programmer An individual designated as the leader of
`a programming team who has the overall responsibility of
`seeing that an entire project is successfully completed.
`
`chief programmer team An C!>rganization for computer pro(cid:173)
`gramming wherein a ve~y superior programmer is the tech(cid:173)
`nical leader of a team consisting, as a minimum, of a chief
`programmer, a backup programmer, and a programming li(cid:173)
`brarian/programming secretary. As needed, the team may
`be augmented with two to three additional members and
`may consult specialists. The key concepts are (1) Making
`programming a public "engineering" practice instead of a
`private art. (2) Providing support so that a very superior cre(cid:173)
`ator can concentrate on creating.
`
`child A data record that can be created based upon only the
`contents of one or more other records (parents) already in
`existence. See PARENT and PARENT/CHILD RELATIONSHIP.
`
`chip A small component that contains a large amount of elec(cid:173)
`tronic circuitry. A thin silicon wafer on which electronic com(cid:173)
`ponents are deposited in the form of integrated circuits.
`Chips are the building blocks of a computer and perform
`various functions, such as doing arithmetic, serving as the
`computer's memory, or controlling other chips.
`
`chip family A group of related chips, each of which (except
`the first) evolved from an earlier chip in the family.
`
`chop To discard unneeded data.
`
`chroma Color attributes, such as shade, saturation, and hue.
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