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`11 a
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`I gnY
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`v The most comprehensive computing dictionary ever published
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`v More than 18,000 entries
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`Apple Inc.
`Ex. 1019 - Page 1
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`

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`Limitation of Liability
`While the Editor and Publisher of this book have made reasonable efforts to
`ensure the accuracy and timeliness of the information contained herein, nei-
`ther the Editor nor the Publisher shall have any liability with respect to loss or
`damage caused or alleged to be caused by reliance on any information con-
`tained herein.
`
`Copyright © 1994 by International Business Machines Corporation. All rights
`reserved. Printed in the United States of America. Except as permitted under
`the United States Copyright Act of 1976, no part of this publication may be
`reproduced or distributed in any form or by any means, or stored in a data
`base or retrieval system, without the prior written permisssion of the pub-
`lisher.
`
`1 2 3 4 5 6 7 8 9 0 DOC/DOC 9 9 8 7 6 5 4 3
`
`ISBN 0-07-031488-8 (HC)
`ISBN 0-07-031489-6 (PBK)
`
`The sponsoring editor for this book was Daniel A. Gonneau and the
`production supervisor was Thomas G. Kowalczyk.
`
`Printed and bound by R. R. Donnelley & Sons Company.
`
`Tenth Edition (August 1993)
`This is a major revision of the IBM Dictionary of Computing, SC20-1699-8,
`which is made obsolete by this edition. Changes are made periodically to the
`information provided herein.
`It is possible that this material may contain reference to, or in formation about,
`IBM products (machines and programs), programming, or services that are
`not announced in your country. Such references or information must not be
`construed to mean that IBM intends to announce such IBM products, pro-
`gramming, or services in your country. Comments may be addressed to IBM
`Corporation, Department E37/656, P. 0. Box 12195, Research Triangle Park,
`NC 27709.
`
`International Edition
`Copyright 1994 by International Business Machines Corporation. Exclusive
`rights by McGraw-Hill, Inc. for manufacture and export. This book cannot be
`re-exported from the country to which it is consigned by McGraw-Hill. The
`International Edition is not available in North America.
`When ordering this title, use ISBN 0-07-113383-6.
`
`This book is printed on acid-free paper.
`
`Apple Inc.
`Ex. 1019 - Page 2
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`

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`pop-up widget
`
`portnitt
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`clicking a mouse button, and then disappears when the
`action is completed.
`
`File Edit
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`Style
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`Helvetica
`Garamo.nd
`Palatino
`Times
`
`Figure 115. Pop-up Menu
`
`pop-up widget In AIX Enhanced X-Windows, a
`window child of the root that is attached to its widget
`parent differently than the normal widget; a pop-up
`widget is not geometrically constrained by its parent
`widget.
`
`pop-up window In SAA Advanced Common User
`Access architecture, a movable window, fixed in size,
`in which a user provides information required by an
`application so that it can continue to process a user
`request.
`
`port (1) An access point for data entry or exit.
`(2) A connector on a device to which cables for other
`devices such as display stations and printers are
`attached. Synonymous with socket. See communi-
`cation port, game port, I/O port, parallel port, serial
`(3) A specific communications
`port, terminal port.
`end point within a host. A port is identified by a port
`(4) The representation of a physical con-
`number.
`nection to the link hardware. A port is sometimes
`referred to as an adapter; however, there can be more
`than one port on an adapter. There may be one or
`more ports controlled by a single DLC process.
`(5) To make the programming changes necessary to
`allow a program that runs on one type of computer to
`run on another type of computer. (6) Deprecated term
`for adapter. (7) See delayed port, disabled port, pro-
`(8) See
`tocol port, serial port, shared port, textport.
`also viewport
`
`portability (1) The capability of a program to be exe-
`cuted on various types of data processing systems
`without converting it to a different language and with
`(T)
`(2) The ability to
`little or no modification.
`transport equipment manually. (3) The ability to run
`a program on more than one computer without modi-
`fying it. (4) Synonymous with transportability. See
`data portability.
`
`portable computer A microcomputer that can be
`hand carried for use in more than one location. (T)
`
`portable dictation machine A dictation machine
`having a self-contained power supply and designed
`primarily for easy movement from one place to
`another. (I)
`
`portable typewriter A typewriter designed primarily
`for easy movement from one place to another.
`It is
`usually supplied with a carrying case that also serves
`to protect the machine while it is being moved. (T)
`
`port address In an ESCON Director, an address used
`to specify port connectivity parameters and to assign
`link addresses for attached channels and control units.
`See also link address.
`
`port address name In an ESCON Director, a user-
`defined symbolic name of 24 characters or less that
`identifies a particular port
`
`Port-A-Punch equipment Portable punching equip-
`ment manufactured by IBM.
`
`nor' card In an ESCON environment, a field-
`replaceable hardware component that provides the
`opto-mechanical attachment method for jumper cables
`and performs specific device-dependent logic func-
`tions.
`
`port designation A 4-character identifier (such as
`LPT1 or COM1) assigned to a printer, plotter, or com-
`munications device so that the system has a unique
`way to refer to the resource.
`
`portfolio In multimedia, a series of timed video stills,
`producing a "slide show" effect.
`
`identified by the
`port group A group of ports
`common carrier with a single data terminal equipment
`(DTE) address. The network directs incoming calls to
`the first available port, using a sequential search tech-
`nique.
`
`informatioi
`port
`(PIB) In an ESCON
`Director, a data area that contains information relating
`to the connectivity of each available port.
`
`a
`an ESCON Director,
`port number (1) In
`hexadecimal number that identifies a physical link
`connection point. This number is identical to its port
`address unless the service representative has reas-
`signed the port associated with that address.
`(2) In
`to communicate
`TCP/IP, a 16-bit number used
`between TCP and a higher-level protocol or applica-
`tion. Some protocols, such as the File Transfer Pro-
`tocol (FTP) and the Simple Mail Transfer Protocol
`(SMTP), use the same port number in all TCP/IP
`implementations. See well-known port.
`
`portrait (1) The arrangement of text on a page so
`that it is oriented for normal reading when its length is
`
`Apple Inc.
`Ex. 1019 - Page 3
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