Encyclopedia of Computer Science and Technology - Harry Henderson.pdf

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EncyclopEdia of
computEr sciEncE
and tEchnology
R
evised
e
dition
haRRy hendeRson
In memory of my brother,
Bruce Henderson,
who gave me my first opportunity to explore
personal computing almost 30 years ago.
ENCYCLOPEDIA OF COMPUTER SCIENCE AND TECHNOLOGY, Revised Edition
Copyright © 2009, 2004, 2003 by Harry Henderson
All rights reserved. No part of this book may be reproduced or utilized in any form or by
any means, electronic or mechanical, including photocopying, recording, or by any
information storage or retrieval systems, without permission in writing from the publisher.
For information contact:
Facts On File, Inc.
An imprint of Infobase Publishing
132 West 31st Street
New York NY 10001
Library of Congress Cataloging-in-Publication Data
Henderson, Harry, 1951–
Encyclopedia of computer science and technology / Harry Henderson.—Rev. ed.
p. cm.
Includes bibliographical references and index.
ISBN-13: 978-0-8160-6382-6
ISBN-10: 0-8160-6382-6
1. Computer science—Encyclopedias. 2. Computers—Encyclopedias. I. Title.
QA76.15.H43 2008
004.03—dc22
2008029156
Facts On File books are available at special discounts when purchased in bulk quantities
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You can find Facts On File on the World Wide Web at http://www.factsonfile.com
Text design by Erika K. Arroyo
Cover design by Salvatore Luongo
lllustrations by Sholto Ainslie
Photo research by Tobi Zausner, Ph.D.
Printed in the United States of America
VB Hermitage 10 9 8 7 6 5 4 3 2 1
This book is printed on acid-free paper and contains
30 percent postconsumer recycled content.
contEnts
ACKNOWLEDgmENTS
iv
INTRODUCTION TO THE REVISED EDITION
v
A–Z ENTRIES
1
APPENDIx I
Bibliographies and Web Resources
527
APPENDIx II
A Chronology of Computing
529
APPENDIx III
Some Significant Awards
542
APPENDIx IV
Computer-Related Organizations
553
INDEx
555
acknowlEdgmEnts
I
wish to acknowledge with gratitude the patient and thorough
management of this project by my editor, Frank K. Darmstadt. I can
scarcely count the times he has given me encouragement and nudges
as needed. I also wish to thank Tobi Zausner, Ph.D., for her ability and
efficiency in obtaining many of the photos for this book.
iv
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