American Patents LLC v. Mediatek, Inc. et al

Western District of Texas, txwd-6:2018-cv-00339

Ex. 6 [IBM Dict. of Computing]

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1 EXHIBIT 6 Case-v.-0-ov og PO-ADA Document 167- 6Filou 10125,10 Page 2 of 11 Dictionary of Computing The most comprehensive computing dictionary ever published More than 18,000 entries General Computing Cabe---------------- A Document 1.37P e 10/2549 Page 11 of 11 Now, finally, EVERYONE can own the most comprehensive computing dictionary ever published! Dictionary of computing For the first time ever, the superb IBM Dictionary of Computing a one-of-a- kind reference that's unmatched in breadth and scope by any other computing dictionary—is being made available to the general public by IBM. Long the "bible" of IBM executives, computer technicians, and programmers, the Dictio- nary, with its 18,000 entries, clear definitions and explanations, and numerous illustrations, leaves competing reference books far behind. Among its features: Up-to-the-minute coverage of information processing systems, communi- cation products and facilities, personal computers, and office systems, as well as the full range of IBM hardware and software products Terms and definitions from The American National Standard Dictionary for Information Systems, ANSI X3.172-1990 ... The ANSI/EIA Standard - 440-A, Fiber Optic Terminology ... and The Information Technology Vocab- ulary, developed by the International Organization for Standardization and the International Electrotechnical Commission (ISO/IEC) The newest terms, abbreviations, and acronyms that are being used in everything from artificial intelligence to local area networks to multimedia Whether you're a novice looking for definitions that are clear and understand- able or a top-level computer professional seeking sophisticated and hard-to- come-by information not available from other sources, you'll find this peerless desk reference in a class by itself. ISBN 0-07-031488-8 90000 McGraw-Hill, Inc. Serving the Need for Knowledge 1221 Avenue of the Americas New York, NY 10020 91780070 314887 1 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/DỌC 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. bel Pre COI ter pei tell 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 information 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. O. Box 12195, Research Triangle Park, NC 27709. IBN to-1 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. eve This book is printed on acid-free paper. 1 alias network address [20] alphabetic character subset alias network address An address used by a gateway NCP and a gateway system services control point (SSCP) in one network to represent a logical unit (LU) or SSCP in another network. program interface (API) verb used to assign a session to a conversation for the conversation's use. Contrast with deallocate. allocated variable In PLA, a variable to which storage is assigned. align (1) To bring into or be in line with one or more reference points. For example, to align numbers on the decimal point. (2) To arrange in a column in which all values either start in the same position (left- aligned) or end in the same position (right-aligned). See also justify. Note: This operation can differ for bidirectional and double-byte character set (DBCS) languages. allowable resources In System/38, attributes of a process that identify the resources the process is allowed to allocate. Some of these attributes are obtained from the user profile at the time the process is created. aligner A device that enables the paper to be cor- rectly lined-up in a machine for typing. (T) allowance The downward adjustment in the selling price of merchandise because of damage, trade-in, or promotion. alignment (1) The storing of data in relation to certain machine-dependent boundaries. (2) See boundary alignment. allowed in an ESCON Director, the attribute that, when set, establishes dynamic connectivity capability. Contrast with prohibited. align text In word processing, to balance irregular line lengths in a document, starting at the point indi- cated by the position of the cursor. See also justify. all points addressable (APA) In computer graphics, pertaining to the ability to address and display or not display each picture element (pel) on a display surface. ALL (1) Application load list. (2) In SAA usage, a choice in the View pull-down that a user selects to view all of the items pertaining to an item. See also By..., Some.... all points addressable (APA) graphics Graphics that can be addressed to any point on the screen. Each pixel is identified by its own specific address. all-stations address Synonym for broadcast address. all authority in the AS/400 system, an object authority that allows the user to perform all operations on the object except those limited to the owner or con- trolled by authorization list management authority. The user can control the object's existence, specify the security for the object, and change the object. Con- trast with exclude authority. alphabet (1) An ordered set of symbols used in a language; for example, the Morse code alphabet. (A) (2) An ordered character set, the order of which has been agreed upon. (T) This defi- nition also covers the alphabets of natural languages, which consist of characters represented by letters, including letters with associated diacritical marks. all object authority in the AS/400 system, a special authority that allows the user to use all system resources without having specific authority to the resources. See also save system authority, job control authority, security administrator authority, service authority, spool control authority. alphabetic character (1) A letter or other symbol, excluding digits, used in a language. (2) Any one of the letters A through Z (uppercase and lowercase). Some licensed programs include as alphabet characters the special characters #, $, and @. (3) In COBOL, a letter or a space character. (4) In BASIC, a character that is one of the 26 uppercase or 26 lowercase letters of the alphabet. (5) In DDS and IDDU, any one of the uppercase letters A through Z or one of the char- acters #, $, or @. alliance A business entity in which IBM and other enterprises share interests. allocatable array In FORTRAN, a named array that has a data type, type parameters, and a rank, but that has a shape and may be referenced or defined only when it has space allocated for it. alphabetic character set A character set that contains letters and may contain control characters, special characters, but not digits. (T) allocate (1) To assign a resource, such as a disk or a diskette file, to perform a task. Contrast with deallo- cate. (2) In the Network Computing System, to create a remote procedure call (RPC) handle that identifies an object. (3) A logical unit (LU) 6.2 application alphabetic character subset A character subset that contains letters and may contain control characters, special characters, and the space character, but not digits. (I) (A) 1 checksum protection [102] choice computer interface (SCSI) disk can be a child device of an SCSI adapter. error is indicated. (3) On a diskette, data written in a sector for error detection purposes; a calculated checksum that does not match the checksum of data written in the sector indicates a bad sector. The data are either numeric or other character strings regarded as numeric for the purpose of calculating the checksum. child gadget In the AIX operating system, a windowless child widget. See child widget. child process In the AIX and OS/2 operating systems, a process, started by a parent process, that shares the resources of the parent process. See also fork. checksum protection (1) In the AS/400 system, a function that protects data stored in the system auxil- iary storage pool from being lost because of the failure of a single disk. When checksum protection is in effect and a disk failure occurs, the system automat- ically reconstructs the data when the system program is loaded after the device is repaired. (2) In TCP/IP, the sum of a group of data associated with the group and used for error checking purposes. child resource (1) A secured resource, either a file or library, that uses the user list of a parent resource. A child resource can have only one parent resource. Contrast with parent resource. (2) In the NetView Graphic Monitor Facility, a resource immediately below the parent resource in a hierarchy. checksum set in the AS/400 system, units of auxil- iary storage defined in groups to provide a way for the system to recover data if a disk failure occurs when checksum protection is in effect. child segment In a hierarchical database, a segment immediately below its parent segment. A child segment has only one parent segment. See also parent segment. child spacing in the AIXwindows program and Enhanced X-Windows, the physical spacing and place- ment of child widgets by the parent widget within the border of the parent. check symbol On an IBM 2260 or 2265 Display Station, the character displayed for any code entered from the keyboard for which no character or symbol has been assigned. Also, a symbol displayed on the screen to indicate each character position for which a parity error occurred during transfer of data from the device. check verification record In PSS, the record checked by the store controller to enable the controller to accept or reject a request to cash a customer's check. child widget In the AIXwindows program and Enhanced X-Windows, a widget managed by another widget is the child of the managing parent widget; for example, composite widgets typically manage the primitive children widgets attached to them. The parent widget typically controls the placement of the child as well as when and how it is mapped. When a parent widget is deleted, all the children controlled by that parent are automatically deleted as well. chemical transfer process Synonym transfer process. for diffusion child window A window that appears within the border of its parent window (either a primary window or another child window). When the parent window is resized, moved, or destroyed, the child window also is resized, moved, or destroyed. However, the child window can be moved or resized independently from the parent window, within the boundaries of the parent window. Contrast with parent window. child (1) In the AIX operating system, pertaining to a secured resource, either a file or library, that uses the user list of a parent resource. A child resource can have only one parent resource. In the operating system, a child is a process, started by a parent process, that shares the resources of the parent process. Contrast with parent. (2) In Enhanced X-Windows and the AIXwindows program, a first- level subwindow. A widget managed by another widget is the child of the managing parent widget; for example, composite widgets typically manage the primitive child widgets attached to them. The parent widget typically controls the placement of the child as well as when and how it is mapped. (3) See pop-up child. See also managed children, siblings. Chinese binary Synonym for column binary. CHIO Channel input/output. chip (1) Synonym for integrated circuit (IC). (T) (2) In micrographics, a piece of microfilm smaller than a microfiche containing microimages and coded identification. (A) (3) Synonym for chad. (4) See microchip. child class See subclass. child device In the AIX operating system, a hierar- chical location term that indicates what can be con- nected to a parent device; for example, a small choice (1) In SAA Common User Access archi ture, an item that a user can select. (2) In the A operating system, an option in a pop-up or menu to influence the operation of the system. 1 [180] debugging ddname ddname Data definition name. DDP Distributed data processing. dead position The last position of a 3270 Kanji display field that ends at an even-address location: that is, the next field starts at the next odd-address location. When the cursor is located at this location. depression of any graphic key causes an input-inhibit condition. DDR (1) DASD dump restore. (2) Dynamic device reconfiguration. (2) Data DDS (1) Dataphone digital service. description specifications. DDSA Digital data service adapter. dead zone An area of a tablet from which no input reports are generated. Each virtual terminal can set its own dead zones. Synonymous with no-input zone. DD statement Data definition statement. dead zone unit A functional unit whose output analog variable is constant over a particular range of the input analog variable. (I) (A) DDX Digital data exchange. DE Device-end. DEA input block A block entered into the Data Encryption Algorithm (DEA) for encryption or decryption. The input block is designated (11, 12,.... 164), where I1, 12,..., 164 represent bits. DEA Data encryption algorithm. deactivate To take a resource of a node out of service, rendering it inoperable, or to place it in a state in which it cannot perform the functions for which it was designed. Contrast with activate. deallocate (1) To release a resource assigned to a task. Contrast with allocate. (2) A logical unit (LU). 6.2 application program interface (API) verb that ter- minates a conversation, thereby freeing the session for a future conversation. Contrast with allocate. deactivation The process of taking any element out of service, rendering it inoperable, or placing it in a state in which it cannot perform the functions for which it was designed deallocation See memory deallocation. DEA device The electronic part or subassembly that implements only the Data Encryption Algorithm (DEA), as specified in ANSI X3.92-1981. DEA output block A block that is the final result of an encryption or decryption operation. The output block is designated (01, 02,..., 064), where 01, 02,..., 064 represent bits. DEB Data extent block. dead key Deprecated term for nonescaping key. dead-letter file A file containing mail messages that could not be sent to a proper destination file. debit card An identification card that may be used to transfer funds from one account to another. (A) deblock To separate the parts of blocks; for example, to select records from a block. (A) dead-letter queue In ACF/TCAM, a queue with mes- sages that couldn't be placed in a proper destination queue for a station or application program. deblocking (1) The process of making each logical record of a block available for processing. Contrast with blocking. (2) See also deconcentration. debossed character A character that is depressed in relief into the surface of a medium such as a credit card. Contrast with embossed character. (A) deadlock (1) A situation in which two or more acti- vations of asynchronous procedures are incapable of proceeding because of their mutual dependencies. (T) (2) Unresolved contention for use of a resource. (3) An error condition in which processing cannot continue because each of two ele- ments of the process is waiting for an action by or a response from the other. (4) An impasse that occurs when multiple processes are waiting for the avail- ability of a resource that will not become available because it is being held by another process that is in a similar wait state. (5) See also starvation. debug (1) To detect, to locate, and to eliminate errors in computer programs. (T) (2) To detect, diagnose, and eliminate errors in programs. (T) (3) Synony mous with checkout, troubleshoot. debugger A program or programs used to detech, trace, and eliminate errors in computer programs other software. deadly (A) embrace Deprecated term for deadlock. debugging Acting to detect and correct errors in some ware or system configuration. 1 SIGN & DATE DATE Male debugging line [181] decimal numeral through 9. (3) Synonymous with denary. binary-coded decimal notation. (4) See debugging line (1) In COBOL, a COBOL statement nun only when the WITH DEBUGGING MODE clause is specified. Debugging lines can help deter- mine the cause of an error. (2) In COBOL, any line with a D in the indicator area of the line. decimal alignment See automatic decimal alignment. decimal arithmetic operation A type of arithmetic operation in which data enter and leave a system as zoned decimal and are processed as packed decimal. debugging mode A mode in which a program pro- vides detailed output about its activities in order to aid a user in detecting and correcting errors in the program itself or in the configuration of the program or system. decimal constant A number containing any of the digits 0 through 9. Debugging Section (1) In COBOL, a declaratives section that receives control when an identifier, file- name, or procedure-name is encountered in the Proce- dure Division. (2) In COBOL, a section that contains a USE FOR DEBUGGING statement. decimal digit A digit used in the decimal numeration system; for example, the "Arabic" digits 0 through 9. (T) decimal feature In the System/370 computing system, a feature that permits storage-to-storage decimal arith- metic operation. debug mode (1) In the Data Facility Hierarchical Storage Manager, a mode used by a system pro- grammer during testing to determine the changes that would occur in normal volume processing without moving user data. (2) An environment in which pro- grams can be tested. decimal fixed-point constant A constant consisting of one or more decimal digits with an optional decimal point. deca (da) Ten. decaliter (dal) (1) Ten liters. (2) 2.64 gallons. decameter (dam) (1) Ten meters. (2) 32.81 feet. decimal fixed-point value A rational number con- sisting of a sequence of decimal digits with an assumed position of the decimal point. Contrast with binary fixed-point value. decay constant In TSO, a weighting factor used in calculating the duration of a job's next time slice based on its use of previous time slices. Recent time slices are more heavily weighted than earlier time slices. decimal floating-point constant A value made up a significand that consists of a decimal fixed-point con- stant, and an exponent that consists of the letter E, fol- lowed by an optionally signed integer constant not exceeding three digits. deceleration time The time required to stop a tape after reading or recording the last piece of information from a record on that tape. decimal floating-point value An approximation of a real number, in the form of a significand, which can be considered as a decimal fraction, and an exponent, which can be considered as an integer exponent to the base ten. Contrast with binary floating-point value. deci Tenth part. decimal marker A visual indication of the position of the decimal point or decimal comma in a number. (T) decimal mode See fixed decimal mode, floating decimal mode. (A) decibel (dB) (1) One tenth of a bel. (2) A unit that expresses the ratio of two power levels on a loga- rithmic scale. (3) A unit for measuring relative power. The number of decibels is ten times the loga- rithm (base 10) of the ratio of the measured power levels; if the measured levels are voltages (across the same or equal resistance), the number of decibels is 20 times the log of the ratio. See also circuit noise level, neper, power level. decimal notation (1) A notation that uses ten dif- ferent characters, usually the decimal digits; for example, the character string 196912312359, construed to represent the date and time one minute before the start of the year 1970; the representation used in the Universal Decimal Classification (UDC). (I) (A) (2) Contrast with decimal numeration system. deciliter (dl) (1) One tenth of a liter. (2) 0.21 pints. decimal (1) Characterized by a selection, choice, or condition that has 10 possible different values or states. (1) (A) (2) Pertaining to a system of numbers to the base ten. Decimal digits range from 0 decimal numeral A numeration system. (A) numeral in the decimal 1 first generation [274] fixed data VTAM errors, to gather information about the errors, and to present this information for problem resolution. first generation In multimedia applications, the ori- ginal or master videotape; not a copy. first-speaker session The half-session defined at session activation as: (a) able to begin a bracket without requesting permission from the other half- session to do so, and (b) winning contention if both half-sessions attempt to begin a bracket simultane- ously. Synonym for contention-winner session. Con- trast with bidder session. first-generation computer A computer using vacuum tube components. fitness-for-use test Synonym for usability test. (T) first-in-chain (FIC) A request unit (RU) whose request header (RH) begin chain indicator is on and whose RH end chain indicator is off. See also RU chain. five-bit byte Synonym for quintet. five-level code A telegraph code that uses five impulses for describing a character. Start and stop elements may be added for asynchronous transmission. A common five-level code is Baudot code. first-in-first-out (FIFO) A queuing technique in which the next item to be retrieved is the item that has been in the queue for the longest time. (A) first-in-first-out (FIFO) pipe In the AIX operating system, a named permanent pipe. A FIFO pipe allows two unrelated processes to exchange information through a pipe connection. fix A correction of an error in a program, usually a temporary correction or bypass of defective code. See also fixed, fixing. fixed (1) In System/370 virtual storage systems, not capable of being paged-out. (2) Synonym for resi- dent. (3) Synonym for read-only. first-level interrupt handler (FLIH) In the AIX operating system, a routine that receives control of the system as a result of a hardware interrupt. One FLIH is assigned to each of the six interrupt levels. fixed area The area of main storage occupied by the resident portion of the control program, the nucleus. fixed aspect ratio In computer graphics, the width (x) to height (y) ratio that keeps an image in correct pro- portion during sizing maneuvers. first-level message (1) The initial message presented to the user. The initial message contains general information or designates an error. Contrast with second-level message. (2) In TSO, a diagnostic message that identifies a general condition; more spe- cific information is issued in a second-level message if the text is followed by a "+." fixed BLDL table In OS/VS, a BLDL table the user has specified to be fixed in the lower portion of real storage. first-level statement In DPCX, a 3790 application programming statement that assembles into only one instruction. fixed-block-architecture (FBA) device A disk storage device that stores data in blocks of fixed size; these blocks are addressed by block number relative to the beginning of the particular file. Contrast with count-key-data (CKD) device. See also first-level storage In VM, real storage. second-level storage, third-level storage. first line find The capability of a device to advance to a predetermined writing line on the next sheet of continuous forms where printing is to begin. Synony- mous with vertical form skip control. fixed box In the AIX operating system, a type of bounding box that has a fixed number of children created by the parent. These managed children do not make geometry manager requests. first loop feature (loop 1) The loop feature that is supplied as a standard part of a 3601 Finance Commu- nication Controller. Only a local loop can be attached to this feature. See also loop feature. fixed currency symbol A currency symbol that appears in the leftmost position of an edited field. Contrast with floating currency symbol. fixed-cycle operation An operation completed in a specified number of regularly timed execution cycles. (A) first-page indicator In RPG, an indicator, coded as 1P, that specifies the lines, such as headings, that should be printed only on the first page. fixed data In word processing, data or text that 15 entered and saved for subsequent use; for example, a paragraph that is to be inserted in several documents. first speaker See first-speaker session. Case 6:18-cv-00339-ADAN Document 167-6- Fleg 10/25/19 Page 9 SIGN & DATE SLAT IN pie Ирг ETAO 3 made intake rollers [347] integrated file adapter intake rollers In a duplicator, paired rollers that transport paper from the paper feed mechanism to the cylinders. (T) integrated attachment An attachment that is an inte- gral part of the basic hardware. integrated catalog facility in the Data Facility Product (DFP), a facility that provides for integrated catalog facility catalogs. integer (1) One of the numbers zero, +1, -1, +2, -2... (I) (A) Synonymous with integral number. (2) A positive or negative whole number, that is, an optional sign followed by a number that does not contain a decimal place or zero. (3) In COBOL, a numeric literal or a numeric data item that does not include any digit position to the right of the assumed decimal point When the term "integer" appears in general formats, the integer must not be a numeric data item, and must not be signed, nor zero unless explicitly allowed by the rules of that format. integrated catalog facility catalog In the Data Facility Product (DFP), a catalog that consists of a basic catalog structure, which contains information about VSAM and non-VSAM data sets, and at least one VSAM volume data set, which contains informa- tion about VSAM data sets only. integer constant A string of decimal digits containing no decimal point. integrated circuit (IC) (1) A small piece of semiconductive material that contains interconnected miniaturized electronic circuits. Synonymous with microchip, chip. (T) (2) A combination of con- nected circuit elements inseparably associated on or within a continuous substrate. See hybrid integrated circuit, monolithic integrated circuit. integer expression An arithmetic expression with only integer type values. integrated circuit memory (IC memory) A storage device composed of transistors, diodes, and other circuit elements, all fabricated on a chip of crystalline material. (T) integer programming (1) In operations research, a class of procedures for locating the maximum or minimum of a function subject to constraints, where some or all variables must have integer values. (I) (A) Synonymous with discrete pro- gramming. (2) Contrast with convex programming, dynamic programming, linear programming, math- ematical programming, nonlinear programming, quad- ratic programming. integrated communication adapter (ICA) A com- munication adapter that is an integral part of the host processor. Contrast with external communication adapter. integer type An arithmetic data type that consists of integer values. integrated computing The concurrent use of two or more software applications that share data; for example, word processing and computer graphics, spreadsheets and file management. integral boundary (1) A location in main storage at which a fixed-length field, such as a half doubleword, must be positioned. The address of an integral boundary is a multiple of the length of the field, expressed in bytes. See also boundary align- ment. (2) In PL/I, the multiple of any 8-bit unit of information on which data can be aligned. integrated database A database that has been consol- idated to eliminate redundant data. integral number Synonym for integer. integrated digital network (IDN) A public digital end-to-end telecommunication network that is the digital backbone for the telephone network and pro- vides multiple services, including data and leased-line transparent services. See also integrated services digital network (ISDN). integral object in the C language, a character object, an object having an enumeration type, or an object having the type short, int, long, unsigned short, unsignedint, or unsigned long. integrated disk In the programmable store system, an integral part of the store controller that is used for magnetically storing files, application programs, con- troller storage contents, and diagnostics. integrated Pertaining to a feature that is part of a device. Synonymous with built-in. integrated adapter An integral part of a processing unit that provides for direct connection of a device and uses neither a control unit nor the standard I/O inter- face. See also integrated communication adapter, inte- grated file adapter. integrated emulator An emulator program whose execution is controlled by an operating system in a multiprogramming environment. Contrast with stand- alone emulator. integrated file adapter An integrated adapter that allows connection of multiple disk storage devices to a processing unit. Case 6;28.629913387ADA Document 167-6 Filed 10/25/19 Page 10 of 11 seuLT resync response unit (RU) In SNA, a message unit that acknowledges a request unit. It may contain prefix information received in a request unit. If positive, the response unit may contain additional information such as session parameters in response to BIND SESSION. If negative, it contains sense data defining the excep- tion condition. iliary storage. See also save. (2) In VSE, to write back onto disk data that was previously written from disk onto an intermediate storage medium such as tape. (3) To return a backup copy to the active storage location for use. window Synonym window. (T) for response time Restore In SAA Advanced Common User Access architecture, a choice in the system menu pull-down that returns a window to the size it was and the posi- tion it was in prior to a maximize or minimize action. restore icon In SAA usage, an icon that a user can select to return a window to the size it was before a sizing action. See also maximize icon, minimize icon. restart (1) The start of a database management system after a recovery from an error. (T) (2) To resume the execution of a computer program using the data recorded at a checkpoint. (T) (3) See check- point restart, emergency restart, normal restart, point- of-failure restart, point-of-last-environment restart. system restart. (4) See also checkpoint entry, check- point record, checkpoint/restart facility, checkpoint routine. restricted functions Functions that are normally available only to an operating system. In OS/VS, user programs may be authorized to use certain restricted functions via the authorized program facility. restart condition in the execution of a computer program, a condition that can be reestablished and that permits restart of the computer program. (I) (A) restricted subnetwork In NETDA/2, a user-defined node or group of nodes that have a restricted set of routes. Routes that are connected to a node in a restricted subnetwork must start or end with that sub- network. All other network traffic is routed around a restricted subnetwork. restart-confirmation packet In X.25 communi- cations, a call supervision packet transmitted by a data circuit-terminating equipment (DCE) to confirm to a data terminal equipment (DTE) that the link has been restarted. restricted-use mass storage volume See restricted- use volume. restart data set In IMS/VS, the direct access data set used to contain the information necessary to restart IMS/VS. restricted-use volume In MSS, a mass storage volume assigned to a mass storage volume group and used only by requests that specify the mass storage volume identification. Restructured Extended Executor (REXX) An inter- pretive language used to write command lists. restart-indication packet In X.25 communications, a call supervision packet transmitted by a data circuit- terminating equipment (DCE) to indicate to a data ter- minal equipment (DTE) that a restart-request has been received restructuring (1) A change of the logical structure of a database including a reorganization of the data already existing in the database. (T) (2) Synonym for reorganization. (A) restart instruction An instruction in a computer program at which the computer program may be restarted. (I) (A) result An entity produced by the performance of an operation. (I) (A) restart object name The name found in the param- eter file used for a restart and recovery routine. resultant identifier In COBOL, a user-defined data item that is to contain the result of an arithmetic oper- ation. restart point (1) A place in a computer program at which execution may be restarted, in particular, the address of a restart instruction. Synonymous with rescue point. (2) Deprecated term for restart condi- tion. resulting indicator In RPG, an indicator that signals the result of a calculation, such as whether the result is plus, minus, or zero; whether a given field is greater than, less than, or equal to another field; of whether an operation was successfully completed. restart-request packet In X.25 communications, a call supervision packet transmitted by a data terminal equipment (DTE) to request that a link be restarted. resync Recovery processing that is performed by sync point services when a failure of a session, transaction program, or LU occurs during sync point processing. restore (1) To return to an original value or image; for example, to restore data in main storage from aux-