MACMILLAN
`
`eeeeas
`
`INFORMATION
`TECHNOLOGY
`
`Exhibit 2007
`
`

`

`MLACMODLILAUN
`
`IDUCTLTHOINAURY
`
`INFORMATION
`TECHNOLOGY
`
`Third Edition
`
`DENNIS LONGLEY
`AND
`MICHAELSHAIN
`
`re ILLAN
`EFERye
`
`

`

`©The Macmillan Press Ld., 1982, 1983, 1989
`
`All rights reserved. No reproduction, copy or transmission
`of this publication may be made without wrilten permission,
`
`No paragraphofthis publication may be reproduced,
`eopted, or transmitted save with written. permission orin
`accordance with the provisions of the Copyright Act 1956
`(as amended).
`Any person whe does any unauthorised act in relation to
`this publication may be liable to criminal prosecution and.
`civil claims for damages.
`First edition published 1982
`Hardcover reprinted 1983
`Paperback reprinted 1984
`Second edition published 1985
`Paperback reprinted 1985, 1986:
`Third edition first published 1989 by
`THE MACMILLAN PRESS LTD.
`London and Basingstoke
`Associated companies in Auckland, Delhi, Dublin,
`Gaborone, Hamburg, Harare, Hong Kong, Johannesburg,
`Kuala Lumpur, Lagos, Manzini, Melbourne, Mexico City,
`Nairobi, New York, Singapore, Tokyo.
`British Library Cataloguing in Publication Data
`Longley, Dennis
`Macmillan dictionary of information
`technology. — 3rd. ed
`1. Information systems
`I. Title
`UL. Shain, Michael
`Dictionaryof information technology
`OOS
`ISBN 978-1-349-19634-0 (eBook)
`ISHN 978-0-333-46050—1
`DOT 10.1007/978-1-349-19634-0
`
`

`

`communicathon buffer
`10)
`See DATA COMMUNICATIONS,
`BICATIONS..
`
`TELECOMML
`
`acknowledgements) between a group of
`modems and a computer or communications
`network processor. See COMMUNICATIONS
`NETWORK PROCESSOk, MODEM
`communication In=commu-buffer.
`
`
`nications, a terminal that has a buffer, See
`BLFFER.
`
`In
`(CCU)
`communication control unit.
`data communications, a device employed to
`control the transmission of data over tele-
`communication lines in a network. See com-
`MUNICATION SCANNER.
`
`communication link. The physical means
`of connecting one location to another for the
`purpose
`oof
`transmitting and
`receiving
`information.
`
`communicaiton processor, See FRONT-END
`PROCESSOR,
`
`19934, An Act of
`Communications Act,
`‘Congress that established the Federal Com-
`munications Commission, See
`Fememat
`Communications Commission,
`1962. An
`Communication Satellite Act,
`Act of Congress that established COMSAT.
`See COMSAT.
`In data commu-
`communicatton scanner,
`nications, a device connected berween com-
`munication lines
`and a communication
`control unit. It is employed to moniter the
`lines and data links for service requests. See
`COMMUNICATION CONTROL UNIT.
`
`In data com-
`communications computer,
`munications, a computer that manages. the
`control of lines and the routing of data in a
`network, See ROUTING.
`
`See SERVER. Syre-
`
`communication server.
`nymout with GATEWAY.
`In com-
`communications interface adaptor.
`puting,
`an intelligent device on a bus-
`organized computer system that provides
`interface functions between the bus amd a
`modem, See BUS, MODEM, PERIPHERAL INTER-
`PACE ADAPTOR, UART.
`
`(CLC) In
`communications link controller.
`data communications, an intelligent unit that
`provides line-oriented interface functions
`leg.
`error
`detection,
`synchronization,
`
`(CHP)
`communications network processor,
`In data communications, an intelligent unit
`that performs interface functions (e.g. buf-
`fering, code conversion, quewe manape-
`ment) between a computer and one of more
`communications link controllers. See com-
`MUNICATIONS LINK CONTROLLER,
`
`in com-
`communications satellite system,
`munications, a system of earth-orbiting com-
`munications satellites and associated ground
`stations for the purpose of transmitting tele-
`phone, television and data signals. See psu
`ASTENNA, EUTELSAT, GrostaTIONARY SAT-
`ELLITE,
`GROUND
`stamox,
`INTELSAT.
`INTERSPUTMIE, TELEVISION RECEIVE-ONLY.
`
`In data security,
`communications security.
`the protection that ensures the authenticity
`of telecommunications and that results from
`the application of measures taken to deny
`unauthorized persons information of value
`which might be derived from the acquisition
`ef telecommunications.
`(FIPS). See com-
`TUTER SECURITY, DATA SECURITY.
`
`Im mathematics,
`communication theory,
`the topic dealing with the transmission of
`messages in the presence of noise, See
`INFORMATION THEORY, NOISE, SHANNON'S LAW.
`
`In telewi-
`community antenna relay station,
`ston, a specific microwave frequency band
`(12.75-12.95 MEIz}, provided by the Federal
`Communications Commission
`for
`trans-
`mission of signals to cable television head
`ends, Compare MASTER ANTENNA TELEVISION
`SYSTEM. See CABLE TELEVISION RELAY PICKUP
`STATION, HEAD END.
`
`(CATW) In
`community antenna icevision,
`cable television, a subscriber system in
`which a single master antenna provides tebe-
`vision recepiion for a whobe geographical
`area,
`See MASTER ANTENNA TELEVISION
`SYSTEM.
`
`In mathematics, a binary
`commutative aw,
`opentiion (i.¢, one involving two variables)
`satishes the commutative law if
`
`