m TT W’Fikiii

IS 15025:2001lSO/TR 10623:1991

V77dm7m

* — “*-<* tkil<d a

mnTwFJT— W=mFft

Indian Standard

TECHNICAL PRODUCT DOCUMENTATION —REQUIREMENTS FOR COMPUTER-AIDED

DESIGN AND DRAUGHTING — VOCABULARY

ICS 01.040.01; 01.040.35; 01.110;35.240.10

,!

.,

@ BIS2001

BUREAU OF IN DIAN STANDARDSMANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARC

NEW DELHI 110002

August2001 PriceGroup 10

_—

DrawingsSectionalCommittee,BP 24

NATIONAL FOREWORD

ThisIndianStandard,whichisidenticalwithISO/TR10623:1991‘Technicalproductdocumentation—Requirementsforcomputer-aideddesignanddraughting— Vocabulary’issuedby theInternationalOrganizationforStandardization(1S0)wasadoptedbytheBureauofIndianStandardsontherecommendationofDrawingsSectionalCommitteeandapprovaloftheBasicandProductionEngineeringDivisionCouncil.

Thisstandardisintendedtofacilitatecommunicationincomputer-aideddesign(CAD)technology.ItpresentstermsanddefinitionsofselectedconceptsrelevanttothefieldofdataprocessingandCAD, andidentifiesrelationshipsbetweentheterms.

Thetextof1S0standardhasbeenapprovedassuitableforpublicationasIndianStandardwithoutdeviations.Inthisadoptedstandard,certainterminologyandconventionsarenotidenticaltothoseusedintheIndianStandards.Attentionisparticularlydrawntothefollowing:

a) Whereverthewords,‘InternationalStandard’appearreferringtothisstandard,theyshouldbereadas‘IndianStandard’.

b) Comma (,)hasbeenusedasa decimalmarkerwhileinIndianStandard,thecurrentpracticeistouseafullpoint(.)asthedecimalmarker.

Inthisadoptedstandard,referenceappearstocertainInternationalStandardsforwhichIndianStandardsalsoexist.ThecorrespondingIndianStandardswhicharetobesubstitutedintheirplacearelistedbelowalongwiththeirdegreeofequivalencefortheeditionsindicated:

International Corresponding Indian Standard Degree ofStandard Equivalence

1S05456-1:1996 IS15021(Part1):2001Technicaldrawings— IdenticalProjectionmethods:Part1 Synopsis

.....

1S010209-1:1992 IS8930(Part1): 1995Technicalproduct dodocumentation— Vocabulary:Part1 Termsrelatingtotechnicaldrawings:Generalandtypesofdrawings(Jrst revision)

.. ...-

1S 15025 :2001lSO/TR 10623: 1991

..?

-Indian Standard ‘

TECHNICAL PRODUCT DOCUMENTATION —REQUIREMENTS FOR COMPUTER-AIDED

DESIGN AND DRAUGHTING — VOCABULARY

1 Scope

This TechnicalReportis intendedto facilitatecommunicationin computer-aideddesign (CAD)technology.It presentsterms and definitionsof selectedconceptsrelevantto the fieldof data processingand CAD, and identifiesrelationshipsbetweenthe terms.

It deals with the main areasof the CAD techniquefor the representationoftechnicaldrawinginformation,These includethe principalprocessesand typesof equipmentused; the representation,organizationand presentationof data;the programmingand operationof computers;the input-outputdevicesand peri-pheralequipment;the termsdescribingparticularCAD applicationsand tools.

Terms such as CAD, CAE, CAM and CADD have not been definedowing to the fact thatthey have specificmeaningsin the differenttechnicaldisciplines.As a resultthese termsmay be interpretedas meaning“the use of computers”in the design,engineering,manufacturingand draughtingdisciplines,respectively.

2 Definitions

(Sources,if any, are given in squarebracketsafter the definition.)

2.1 Algorithm

A finiteorderedset of well-definedrules for the solutionof a problem.

[ISO/IEC2382-1:-,term O1.05.05]

2.2 Alphabet

An orderedcharacterset, the order of which has been agreedupon.

NOTE - This definitionalso coversthe alphabetof naturallanguagesconsistingof those charactersrepresentedby lettersincludingletterswith diacriticalmarks.

.. -

[1S02382-4:1987,term 04.03.03]

1

. ...—

‘IS 15025:2001lSO/TR 10623: 1991

—-Y.-

$

2.3 Alphabetic[numeric][alphanumeric][binary]code

~

~!.~’-.,

A code whose applicationresultsin a code elementset whose elementsare formed,!

from an alphabetic[numeric][alphanumeric][binary]characterset.

[1S02382-4:1987,term 04.02.06]

2.4 Applicationsoftware[program]

A software[program]that i$ specificto the solutionof an applicationprob-lem.

[ISO/IEC2382-1:-,term O1.09.03]

2.5 Approvalphase.

Phase in which documentscontainingdesigndata are formallycheckedand adop-ted. Markingsand visibleproofsof approvalare made on the originaldocument.

2.6 ASCII (abbreviation)

AmericanStandardCode for InformationInterchange.

2.7 Assemblylanguage

A programminglanguagethat providessymbolicforms for machineinstructions.

NOTE - Assemblylanguagesusuallyalso providemacro calls.

[ISO/IEC2382-7:1989,term 07.01.09]

2.8 Attribute

A named propertyof an entity.

[ISO/IEC2382-17:-,term 17.02.101

2.9 Automatic

pertainingto a processor equipmentthat,under spedi,fiedconditions,functionswithouthuman intervention.

[ISO/IEC2382-1:-,term O1.01.07]

2.10 Automation

The conversionof processesor equipmentto automaticoperationor the resultsofthe conversion.

..-.

[ISO/IEC2382-1:-,term O1.01.09]

2

.

IS 15025:2001lSO/TR 10623:1991

2.11 Authorization

Of a user, his rightsto access (read,modify,insert,delete)certaindata.

2.12 CAD (abbreviation)

Computer-aideddesign.

The design activities,includingdraughtingand illustrating,in which infor–mation processingsystemsare used to carry out functionssuch as designingorimprovinga part or a product.

NOTE - UsuallyCAD and CAM are used togetherand expressedas CAD/CAM,

[ISO/IEC2382-24:-,term 24.01.04]

2.13 CA drawing (abbreviation)

Computer-aideddrawing.

2.14 CAE (abbreviation)

Computer-aidedengineering.

Analysisof a designto check for basic errors,and to optimizeity, performance,productivityor economy,by using informationterns.

manufacturabil–processingsys-

NOTE - Informationfrom the CAD/CAMdesigndatabaseis used to analysethe func-tionalcharacteristicsof a part or a productunderdesign,or to simulateitsperformanceunder variousconditions.

[ISO/IEC2382-24:-,term 24.01.03]

2.15 CAM (abbreviation)

Computer-aidedmanufacturing.

The productionprocessin which informationprocessingsystemsare used to di-rect and controlmanufacturing.

NOTE - UsuallyCAD and CAM are used togetherand expressedas CAD/”CAM.

[ISO/IEC2382-24:-,term 24.01.07]

2.16 CASE (abbreviation)

Computer-aidedsoftwareengineering.

IS 15025:2001lSO/TR 10623: 1991

2.17 CentralprocessingunitCPU (abbreviation)

A functionalunit that consistsof one or more processorsand their internalstorages.

NOTE - In English,the term “processor”is oftenused synonymouslywith proces-sing unit.

[ISO/IEC2382-1:-,term O1.03.01]

2.18 Character

A memberof a set of elementsthat is used for the representation,organization,or controlof data.

NOTE - Charactersmay be categorizedas follows:

Types Examples

i

.

{

graphiccharacter “

.

character

f

.controlcharacter o

.

.

[1S02382-4:1987,term 04.01.01]

2.19 CIM (abbreviation)

Computer-integratedmanufacturing.

digitletterideogramspecialcharacter

transmissioncontrolcharacterformateffectercode extensioncharacterdevicecontrolcharacter

:.

The productionof which all activitiesare integratedinto a computer-basedplanningmanagementand controlsystem.

NOTE - CIM includesthe technologiesof CAD, CAP, CAM, CAQ and PPS and thesharingof informationamong them;however,it does not includeCAO.

[ISO/IEC2382-24:-,term 24.01.02]

I

IS 15025:2001lSO/TR 10623: 1991

2.20 CodeCodingscheme

A collectionof rulesthat maps the elementsof one set on to the elementsof asecondset.

NOTES

1 The elementsmay be charactersor characterstrings.

2 The firstset is the coded set and the secondis the code elementset.

3 An elementof the code elementset may be relatedto more than one elementofthe coded set but the reverseis not true.

[1S02382-4:1987,term 04.02.011

2.21 COM (abbreviation)

Computeroutputmicrofilming.

A techniquefor convertingand’recordingdata from a computerdirectlyonto amicroform.

[1S02382-13:1984,term 13.06.021

2.22 Communicationsecurity

Physicalsecurityand transferprotocolcheckingof data duringthe transmissionof information.

I 2.23 Compile (verb)

To translateall or part of a programexpressedin a high-computerprogramexpressedin an intermediatelanguage,ana machinelanguage.

[ISO/IEC2382-7:1989,term 07.03.03]

2.24 Computer

evel languageinto aassemblylanguage,or

A functionalunit that can performsubstantialcomputations,includingnumerousarithmeticoperationsand logicoperations,withouthuman interventionduringarun.

NOTES

1 In informationprocessingthe term computerusuallydescribesa digitalcom-puter.

2 A computermay consistconnectedunits,

[ISO/IEC2382-1:-,term O’

of a stand–aloneunit or may consistof severalinter–

.03.03]

5

IS 15025 : 2001lSO/TR 10623: 1991

2.25 Computergraphics

Methodsand techniquesfor convertingdata to or from graphicdisplayviacomputers.

[ISO/IEC2382-1:-,term 01.06.07]

2.26 (Computer)program

A syntacticunit that conformsto the rulesof a particularprogramminglanguagecomposedof declarationsand statementsor instructionsneeded to solve a cer-tain function,task,or problem.

[ISO/IEC2382-1:-,term 01.05.01]

2.27 Copyright

The exclusiveright to the publication,productionor sale of the rightsto data7or the resultingproduct,grantedby law for a definiteperiodof time.

2.28 CPU (abbreviation)

Centralprocessingunit (see2,17).

2.29 Data

A re-interpretablerepresentationof informationin a formalizedmanner suit-able for communication,interpretation,or processing.

NOTE - Operationscan be performedupon data by humansor by automaticmeans.

[ISO/IEC2382-1:-,term O1.01.02]

2.30 Data bank

A set of data relatedto a given subjectand organizedin such a way that it canbe consultedby users,

[1S0 2382-4:1987, term 04.07.14]

2.31 Database

A data structurefor accepting,storingand providingon demanddata for mul-tiple independentusers.

[1S02382-4:1987,term 04.07.15]

.IS 15025:2001lSO/TR 10623:1991

—.

2.32 DatabasemanagementsystemDBMS (abbreviation)Databasesystem

A computer-basedsystemfor defining,creatin9tmanipulating,controllin9tman-aging and using databases.

NOTE - The softwarefor using a databasemay be part of the databasemanagementsystemor may be a stand-alonedatabasesystem.

[ISO/IEC2382-1:-,term O1.08.05]

2.33 Data medium

The materialin or on which data can be recordedand from which data can be re-trieved.

[ISO/IEC2382-1:-,term 01.01.48]

2.34 Data processingDP (abbreviation)Automaticdata processingADP (abbreviation)

The systematicperformanceof operationsupon data.

Examples:Arithmeticor logicoperationsupon data, mergingor sortingof data,assemblingor compilingof programs.

NOTE - The term data processingmustprocessing.

[ISO/IEC2382-1:-,term 01.01.03]

not be used as a synonymfor information

2.34.1 Data processingsystemsecurityComputersystemsecurity

The technologicaland administrativesafeguardsestablishedand appliedto a

1

data processingsystemto protecthardware,software,and data from accidentalor maliciousmodifications,misuse,destructionor disclosure.

[ISO/IEC2382-1:-,term O1.01.41]

2.35 Data transfer

Movingof data from one computer

1 2.36 (leftblank intentionally)

2.37 Developmentphase

processto anotherin an orderedform.

..

I Phase in which the actualproductdesignand improvementwork is carriedout.

7

IS 15025:2001ISO/TR 10623:1991

—-.—

2.38 Digital

Pertainingto data that consistof digits.

[ISO/IEC2382-1:-,term Ol.02.04]

2.39 Digitization

To capturedata of a physicalnatureusing a computerprogramand to representthosedata in alphanumericform.

2.40 Digitize (verb)

To expressor representin a digitalform data that are not discretedata.

Example:To obtaina digitalrepresentationof the magnitudeof a physicalquan-tity from an analogrepresentationof that magnitude.

[1S02382-5:1989,term 05.01.15]

2.41 DIL (abbreviation)

Documentissuinglist (see’2.51).

2.42 Magneticdisk

A flat circularplatewith a magnetizablesurfacelayeron one or both sides ofwhich data can be stored.

[1S02382-12:1988,term 12.01.36]

2.43 Diskette

A smallmagneticdisk enclosedin a jacket.

NOTE - Sometimesthe words “diskette”and “floppydisk” are used interchange-ably.

[1s0 2382-12:1988, term 12.01.39]

.

2.44 Display

A visualpresentationof data.

[1S02382-13:1984,term 13.03.01]

8

. &<

IS 15025:2001lSO/TR 10623:1991

..— -i-f

2.45 Displaydevice

An outputunit that gives a visualrepresentationof data.

NOTE - Usuallythe data are displayedtemporarily;however,arrangementsmay bemade for producinga hard copy of this representation.

[1S02382-12:1988,term 12.08.12]

2.46 Displayimage

A collectionof displayelementsor segmentsthat are representedtogetheratany one time on a displaysurface.

[1S02382-13:1984,term 13.03.03]

2.47 Displaysurface

In a displaydevice,that mediumon which displayimagesmay appear.

Examples:The screenof a cathoderay tube; the paper in a plotter.

[1S02382-13:1984,term 13.04.01]

2.48 Distributionphase

The issuingand disseminationof the approveddocuments,or portionsthereof,tothe Documentissuinglist (2.51).

2.49 Document

(1) A data medium and the data recordedand that can be read by man or machine.

[IScI/IECJTC l/SC 1 N 1058 rev., term 17.

on it, that generallyhas permanence

03.44]

(2) Informationon a data carriertreatedas a unit.

[IsO/TClo/se l/wG 5 N 102]

2.50 Documentcontentsecurity

.-

Securityof the documentwith respectto authorizationand copyright.This in-cludesthe variouslevelsof authorizationsecurityand copyrightsecurity,

IS 15025:2001lSO/TR 10623: 1991

2.51 Documentissuinglist

A list of documentsissuedat one and the same time. In additionto informationon documentidentities,revisionindex,etc., the documentissuinglist containsfull informationon subscri,ber’sname, address,desiredmedium,numberof copiesand authorizationlevelof the subscriber.

2.52 Documentation

(1) The managementof documents,which may includethe actionsof identifying,acquiring,processing,storingand dissemination,

(2) A collectionof documentson a given subject.

(3) Collectionof variousdocumentsconcerningone or more specificaspects.

NOTE - Examplesincludetechnical,commercialand other documents.

[ISOITC10lsc IIWG 5 N 102]

2.53 Documentationsecurity

Securityof documentationduringthe entireproductdesignprocess,includingcommunicationsecurity,installationand operationalsecurity,systemsecurityand securityof documentcontent.

2.54 EDP (abbreviation)

Electronicdata processing(see2.55).

2.55 Electronicdata processing

Data processingperformedpredominantlyby electronicdevices.

2.56 Field

On a data mediumor in storage,a specifiedarea used for a particularclass ofdata elements.

Example:A group of characterpositionsused to enter or displaywage rateson ascreen,

[1S0 2382-4:1987, term 04.07.02]

2.57 File

A named set of recordsstoredor processedas a unit.

[1S02382-4:1987,term 04.07.10]

10

IS 15025:2001lSO/TR 10623: 1991

2.58 F1OPPY (disk)Flexibledisk

A flexiblemagneticdisk enclosedin a protectivecontainer.

[1S02382-12:1988,term 12.01.37]

2.59 Geometricmodeling

A modelingtechniquewhich representsthree-dimensionalshapesin a computerina form that can be manipulated.

[ISO/IEC2382-24:-,term 24.02.031

2.60 GKS (abbreviation)

GraphicalKernelSystem (see2.63).

2.61 Graphiccharacter

A character,other than a controlcharacter,that has a visual representationand is normallyproducedby writing,printingor displaying.

[1S02382-4:1987,term 04.03.01]

2.62 Graphicmonitor..

A functionalunit that observesand recordsselectedactivitieswithin a dataprocessingsystemfor analysisand displaystheseimagesin a two-dimensionalgraphicsmode.

●

2.63 GraphicalKernelSystem (GKS)

1S0 7942:1985,Informationprocessingsystems- Computergraphics- GraphicalKernelSystem (GKS)functionaldescription.

The standardprovidesa set of functionsfor computergraphicsprogramming.GKSdefinesa graphicsnucleusof a graphicssystem.It providesa functionalinter-face betweenan applicationprogramand a configurationof graphicalinputandoutputdevices.

2.64 Graphicalmodel

A two- or three-dimensionalimagedisplayof an object.

2.65 Grid

A set of pointsorganizedin a matrixused to enter positionson a screen.

[ISO/IECJTC l/SC 1 N 1077, term 24.04.25]

11

IS 15025:2001lSO/TR 10623: 1991

2.66 Hard copy

_ -.

A permanentcopy of a displayimagegeneratedon an outputdevicesuch as aprinteror plotter,and whichcan be carriedaway.

[ISO/IEC2382-1:-,term 01.06.04]

2.67 Hard disk

A fixedmagneticdisk.

[1S02382-12:1988,term 12.01.38]

2.68 Hardware

All or part of the physicalcomponentsof an informationprocessingsystem.

[ISO/IEC2382-1:-,term 01.01.05]

2.69 Hiddenline

(1) A line segmentthat representsan edge obscuredfrom view in a two-dimensionalprojectionof a three-dimensionalobject.

[1S02382-13:1984,term 13.02.10]

(2) Line or segmentof a linewhich can be maskedin a three-dimensionalviewof an object.

[ISO/IECJTC l/SC 1 N 1077, term 24.04.26]

2.69.1 Hiddenoutline

A line representinga contoursurfaceor ~dge which is invisiblefrom theviewer’spoint of observationor coveredby other parts of the assembly.

[ISO/TC10 term]

2.70 IGES (abbreviation)

InitialGraphicsExchangeSpecification(see2.73).

2.71 Information(in informationprocessing)

Knowledgeconcerningany objects,such as facts,events,things,processes,orideas,includingconcepts,that withina certaincontexthas a particularmeaning.

[ISO/IEC2382-1:-,term O1.01.01]

12

IS 15025:2001lSO/TR 10623: 1991

2.72 Informationprocessing

The systematicperformanceof operationsupon information,that includesdataprocessingand may includeoperationssuch as data communicationand officeautomation.

NOTE - The term informationprocessingmust not be used as a synonymfor dataprocessing.

[ISO/IEC2382-1:-,term O1.01.04]

2.73 InitialGraphicsExchangeSpecification

StandardNIST IR 4412:1990for the transferof CAD data from one applicationprogramto another.

2.74 InputunitInputdevice

A deviceby which data can be enteredinto a computer.

[1S02382-11:1987,term 11.01.23]

2.75 Input-Output(adjective)1/0 (adjective)

Pertainingto a device,processor channelinvolvedin an inputprocessand inan outputprocess,concurrentlyor not, or to theirassociateddata or states.

..

NOTE - The phrase“input-output”may be used in placeof “input-outputdata”,“input-outputsignals”,“input-outputprocess”when such a usage is clear in a 1givencontext.

[1S02382-6:1987,term 06.02.071

2.76 Installationsecurity

The physicalsecurityof the computingdeviceand storagemediadata are processed,includingsecurityagainstproblemsrelatedsupply,ventilation,cooling,magneticinduction,electrostaticphysicaltrespassing.

2.77 InstructionStatement(deprecatedin this sense)

A languageconstructthat specifiesan operationand identifiesany.

[ISO/IEC2382-7:1989,term 07.06.01]

on which theto electricalenergyand

its operands,if

13

,4.,

IS 15025:2001lSO/TR 10623:1991 ..—-.-

2.78 ConversationalmodeInteractivemodeTime sharing (deprecatedin this sense)

A mode of operationof a computersystemin which a sequenceof alternatingen-triesand responsesbetweena user and the systemtakesplace in a mannersimi-lar to a dialoguebetweentwo persons.

[1S02382-10:1979,term 10,03.03]

2.79 Interface

A sharedboundarybetweentwo functionalunits,definedby functionalcharac-teristics,commonphysicalinterconnectioncharacteristics,signalcharacter-istics,and other characteristics,as appropriate.

NOTE - The conceptinvolvesthe specificationof the connectionof two deviceshavingdifferentfunctions.

[1S02382-9:1984,term 09.01.01]

2.80 Interface(userinterface)

The managementroutinesof a data processingsystemthat controlsthe method,devicesand managementof the input and outputof data, normallyhandledby theapplicationpackageor the operatingsystem.

2.81 Issue (verb)

To transfera documentfrom check approvalavailablefor readingand distribution.

2.82 Issuingand distributionphase

to storagephase and therebymake it

The phase in which the documentsare issuedand distributed;it takesplacebetweenthe approvaland storagephases.

2.83 Item

(1) Component,part, elementor physicalfeatureof an object representedon adrawing.

[1S010209-1:-,term 2.6]

(2) A basic part, component,equipment,functionalunit, etc.,which usuallyisrepresentedby a graphicalsymbolon a diagram.

Examples:Resistors,relays,generators,amplifiers,power supplyunits andswitchgearassembliesmay all be describedas itemsfor the purposeof desi$-nation.

[IEC750:1983,term 2.4]

14

,

. ...-

1S 15025:2001lSO/TR 10623: 1991

2.84 Keyboard

An arrangementof typingand functionkeys laid out in a specifiedmanner.

[1S09241-4:-,term 3.21

2.85 KeypunchKeyboardpunch

A keyboard-actuatedpunch that punchesholes in a data medium.

[1S02382-12:1988,term 12.06.061

2.86 Layer\

In networkarchitecture,a group of services,functionsand protocolsthat iscompletefrom a conceptualpoint of view, that is one out of a set of hierarchi-cally arrangedgroups,and that extendsacrossall systemsthat conformto thenetworkarchitecture.

[1S02382-18:1987,term 18.02.04]

2.87 Level

A degreeof subordinationof an item in a hierarchicarrangement.

2.88 Library (ofdata)

A set of relatedfiles.

2.89 List

An orderedset of data elements.

[1S02382-4:1987,term 04.08.011

2.90 Locator

An inputdevice that providescoordinatesof a position.

Examples:A mouse, a tablet.

[1S02382-13:1984,term 13.04.17]

2.91 Mainframe

A computer,usuallyin a computercenter,with extensivecapabilitiesand re-sourcesto which other computersmay be connectedso that they can share fa-cilities.

[ISO/IEC2382-1:-,term Ol.03.02]

15

I

I

IS 15025:2001lSO/TR 10623: 1991

2.92 Masterprint

A documentused strictlyfor reproductionof hard copies.This can be eitheraplotteddocumentor an aperturecard. In the manualprocess,this is normallyatransparency.

2.93 Matrix

A rectangulararray of elements,arrangedin rows and columnsthat may be ma-nipulatedaccordingto the rulesof matrixalgebra.

2.94 Menu

A list of optionsdisplayedto the user by a data processingsystem,from whichthe user can selectan actionto be initiated.

[ISO/IEC2382-1:-,term 01.06.06]

2.95 Mesh network.

A networkin which thereare at least two nodes with two or more paths betweenthem.

[1S02382-18:1987,term 18.01.12]

2.96 Microcomputer

A digitalcomputerwhose processingunit consistsof one or more micropro-cessors,and includesstorageand input–outputfacilities.

[ISO/IEC2382-1:-,term O1.03.17]

2.97 Minicomputer

A digitalcomputerthat is functionallyintermediatebetweena microcomputeranda mainframe.

[ISO/IEC2382-1:-,term O1.03.18]

2.98 Monitor

A device that observesand recordsselectedactivitieswithina data processingsystemfor analysis.

NOTE - Possibleuses are to indicatesignificantdeparturefrom the norm, or todeterminelevelsof utilizationof particularfunctionalunits.

[1S02382-12:1988,term 12.08.20]

r

.

16

2.99 Numeral

A discreterepresentationof a number.

IS 15025:2001lSO/TR 10623:1991

.-

Example:The followingare four differentnumeralsthat representthe same num-ber, i.e. a dozen,by the methodsshown:

Twelve by a word in the Englishlanguage;12 in the decimalnumerationsystem;.X11 by a Romannumeral;1100 in the binarynumerationsystem.

[1S02382-5:1989,term 05.01.06]

2.100 NumericNumerical

Pertainingto data that consistof numerals.

[ISO/IEC2382-1:-,term 01.02.03]

2.101 NumericalcontrolNC (abbreviation)

(1) Automaticcontrolof a processperformedby a devicethat makes use of nu-mericdata usuallyintroducedwhile the operationis in progress.

NOTE - The term “numericalcontrol”is commonlyused in machine-toolappli-cations.

(2) A techniqueof operatingmachinetools in which the motion is determinedbynumericallycoded commands.

NOTE - These commandsmay be generatedby a CAD/CAMsystemon tapesthat guide amachinetool.

[ISO/IEC2382-24:-,term 24.03.01]

2.101.1 Numericallycontrolleddraughtingmachine

An outputmachinefrom a computerfor producingtechnicaldrawings.

NOTE - These machinesare often calledNC-draughtingmachinesor plotters.

[1S09179-1:1988,term 5.1]

2.102 Open SystemsInterconnectionreferencemodel0S1 referencemodel

k-q-’,,

A model that describesthe generalprinciplesof the open systemsinterconnec-tion,and the purposeand the hierarchicalarrangementof its seven layers.

17

. &<

---

IS 15025:2001lSO/TR 10623: 1991

2.103 Operatingsecurity

Proceduresand generalmeasuresintendedto preventintentionaland uninten-tionaldamage to the operationof a data processingsystem.

2.104 Operatingsystem

Softwarethat controlsthe executionof programsand that may provideservicessuch as resourceallocation,scheduling,input-outputcontrol,and data manage-ment.

NOTE - Althoughoperatingsystemsare predominantlysoftware,partialhardwareimplementationsare possible.

[ISO/IEC2382-1:-,term 01.04.05]

2.105 Operation

A well-definedactionthat,when appliedto any permissiblecombinationof knownentities,producesa new entity.

Example:The processof additionin arithmetic;in addingfive and three and ob-tainingeight, the numbersfive and three are the operands,the numbereight isthe result,and the plus sign is the operatorindicatingthat the operationper-formedis addition.

[1S02382-2:1976,term 02.10.01]

2.106 Originalbackup

An exact copy of the originaldocumentused for data security.This is normallyon the same medium and must containthe same data. It is physicallystoredawayfrom the originaldocument.

i

2.107 Originaldata

The data set which has been authorizedfor furtherhandlingby the checkingandapprovalprocess.

2.108 Originaldocument

The combinationof originaldata on the originalmediumconstitutingthe techni-cal definitionof a productand also formingthe base for changesmade duringthe life of the product.

2.109 Originaldrawing

Drawinggiving the currentlyapprovedinformationor data and on which thelatestrevisionhas been recorded.

[1S010209-1:-,term 3.14]

18

-

-.

IS 15025:2001lSO/TR 10623:1991

.-

.

2.110 Originalmedium

The storagedevice for the originaldocument.In the CAD techniquethis is nor-mally magnetictape,hard disk or floppydisk.

2.111output

See Input-Output(2.75).

2.112 OutputunitOutputdevice

A deviceby which data can be conveyedout of a computer.

[1S02382-11

2.113 PDES

ProductData

1987, term 11.01.23]

abbreviation)

ExchangeStandard(see2.122).

2.114 Peripheralequipment

Any devicethat is controlledby and can communicatewith a particularcomputer.

Examples:Input-Outputunits,auxiliarystorage.

[ISO/IEC2382-1:-,term 01.03.07]

2.115 Phasingout

Removalof the designdocumentsof a productfrom the storagefor,activedocu-ments to the storagewhere accesstime may be considerable.This occurs after adecisionhas been made to withdrawa productfrom production.

2.116 PixelPictureelementPEL (abbreviation)

The smallestelementof a displaysurfacethat can be independentlyassignedcolouror intensity.

[1S02382-13:1984,term 13.03.07]

2.117 Plotter

(1) An outputunit that directlyproducesa hard copy recordof data on a re-,. movablemedium,in the form of a two-dimensionalgraphicrepresentation.

[1S02382-12:1988,term 12.07.02]

.

(2) See numericallycontrolleddraughtingmachine (2.101.1).

19

. #

IS 15025:2001

lSO/TR 10623: 1991

.2.118 Postprocessor

A computerprogramthat effectssome final computationor organization,

2.119 Preprocessor

A computerprogramthat effectssome preliminarycomputationor organization.

2.120 (Language)preprocessor

A functionalunit that effectspreparatoryprocessingof computerprograms.

Example:A macrogeneratormay functionas a preprocessorof a translator,

[ISO/IEC2382-7:1989,term 07.03.25]

2.121 Printer

An outputdevice that producesa sequenceof discretegraphiccharactersets.

a hard copy recordof data mainly in the form ofcharactersbelongingto one or more predetermined

NOTE - In many instances,printersmay be used as plotters.

[1S02382-12:1988,term 12.07.01]

2.122 ProductData ExchangeStandard(PDES)

Draft InternationalStandard(ISO/TC184) for the transferof CAD data.

-,

2.123 Three-dimensionalprojection

Means of projectinga three-dimensionalobjecton a plane.

2.124 Rasterdisplaydevice

A displaydevice in which displayimagesare generatedby rastergraphics.

[1S02382-13:1984,term 13.04.03]

2.125 Rastergraphics

Computergraphicsin which a displayimage is composedof an array of pixelsarrangedin rows and columns.

[1S02382-13:1984,term 13.01.03]

20

IS 15025:2001lSO/TR 10623: 1991

2.126 Read-onlystorageRead-onlystore/GB/Fixed storageNonerasablestorage (deprecated)Read-onlymemory (deprecated)

A storagedevicewhose contentscannotbe modified,exceptby a particularuser,or when operatingunder particularconditions.

Example:A storagedevicein which writingis preventedby a lockout.

2.127 Read-onlymemoryROM (abbreviation)

A storagedevicein which data,under normal conditions,can only be read.

[1S02382-12:1988,term 12.02.13]

2.128 Record

A set of data elementstreatedas a unit.

[1S02382-4:1987,term 04.07.03]

2.129 Revisionphase

Phasein which revisionsapproved.

2.130 Security

are made. These revisionsare subsequentlycheckedand

See Operatingsecurity(2.103),Installationsecurity(2.76),Communicationse-curity (2.22),Documentationsecurity(2,53),Data processingsystemsecurity(2.34.1)and Documentcontentsecurity (2.50).

2.131 SET (abbreviation)

Standardd’Echangeet de Transfert(see2.136).

2.132 Signaturedocument

.-

The originaldocumentwith the additionof approvalrequiredby customerorauthority.This documentis normallypaper-basedand must not be exposedto anyform of changein additionto the stamp it may requirefor approval.

21

IS 15025:2001lSO/TR 10623: 1991

2.133 Soft COPY

A nonpermanentdisplayimage.

Example:A cathoderay tube display.

[1S02382-13:1984,term 13.03.04]

2.134 Software

All or part of the programs,procedures,rules,and associateddocumentationof a data processingsystem.

NOTE - Softwareis an intellectualcreationthat is independentof the mediumonwhich it is recorded,

[ISO/IEC 2382-1:-,term 01.01.06]

2.135 Solidmodel

A mode of representationand displayshowingthe solid propertiesof a three-dimensionalobject.

2.135.1 Solidmodeling

A three-dimensionalgeometricmodelingwhich deals with the solid character-isticsof an object in order to representits internalstructureas well as itsexternalshapes.

[ISO/IEC2382-24:-,term 24.02V04]

2.136 Standardd’Echangeet de Transfert (SET)

Frenchstandard(NFZ 68-300:1989)for the transferof modellingdata and infor-mation.

2.137 Standardfor the Exchangeof ProductModel Data (STEP)

Draft InternationalStandard(1S010303,under preparation)intendedto replaceIGES, SET and PDES (ISO/TC184).

2.138 STEP (abbreviation)

Standardfor the Exch,ange

2.139 Storagephase

Phase in which the design

of ProductModel

documentationis

Data (see2.137)

stored.Documentscan then be lentfor readlcopyor for revisions.

22

IS 15025:2001lSO/TR 10623:1991

.—.-:

2.140 Subscriber

A personauthorizedto use one or more servicesof an officeautomationsystem.

[ISO/IEC2382-27:-,term 27.01.03]

2.141 Surfacemodel

A modeof displayshowingthe surfacesof a three-dimensionalobject.

2.142 SymHol [character][alphabetic][binarydigit]string

A stringconsistingsolelyof symbols [ofcharacters][of lettersfrom the samealphabet][ofbinarydigits].

[1S02382-4:1987,term 04.05.02]

2.143 Task

In a multiprogrammingor multiprocessingenvironment,one or more sequencesofinstructionstreatedby a controlprogramas an elementof work to be accom-plishedby a computer.

h [1S02382-10:1979,term 10.02.02]4“

2.144 (User)terminal

An input-outputunit by which a user communicateswith a computer.

[1S0238Z-12:1988,term 12.08.01]

2.145 Transferprotocol

The means by which data are transferredfrom one applicationpackageto another.

2.146 Turnkeysystem

A data processingsystemthat is ready to use when installed,and suppliedtothe user in a ready-to-runconditionpossiblycustomizedto a specificuser orapplication.

NOTE - Deliverydoes not necessarilyincludepreparatorywork on the user’sdata.

[ISO/IEC2382-1:-,term O1.01.45]

..-.

k

23II

IS 15025:2001lSO/TR 10623: 1991

. ..—.”.-

2.147 Wire frame representation

A mode of displayshowingall edges of a three-dimensionalobjectwithoutdistinguishinghidden lines.

[1S02382-13:1984,term 13.02.11]

2.148 Word

A characterstringconsideredas a unit for a given purpose.

[1S02382-4:1987,term 04.06.01]

2.149 Workstation

A functionalunit at which a user works.

NOTE - A workstationoftenhas some degreeof data processingcapability.

[ISO/IEC2382-1:-,term 01.03.111

.>-“+.

I

24

. 4.

IS 15025:2001lSO/TR 10623:1991

Annex A(informative)

Bibliography

ISO/IEC2382-1:-1),Informationtechnology- Vocabularyterms.

ISO 2382-2:1976,Data processing- Vocabulary- Sectionoperations.

- Part 1: Fundamental

02: Arithmeticand logic

1S0 2382-4:1987,Informationprocessingsystems- Vocabulary- Part 04: Organiz-ationof data.

1S0 2382-5:1989,Informationprocessingsystems- Vocabulary- Part 05: Represen-tationof data,

1S0 2382-6:1987,Informationprocessingsystems- Vocabulary- Part 06: Prep-arationand handlingof data.

ISO/IEC2382-7:1989,Informationtechnology- Vocabulary- Part 07: Computerprogramming.

1S0 2382-9:1984,Data processing- Vocabulary- Part 09: Data communication.

1S0 2382-10:1979,Data processing- Vocabulary- Section10: Operatingtechniquesand facilities.

1S0 2382-11:1987,Informationprocessingsystems- Vocabulary- Part 11: Proc-essingunits.

1S0 2382-12:1988,Informationprocessingsystems- Vocabulary- Part 12: Periph-eral equipment.

ISO 2382-13:1984,Data processing- Vocabulary- Part 13: Computergraphics.

ISO/IEC2382-17:-2),Informationtechnology- Vocabulary- Part 17: Databases.

ISO 2382-18:1987,Informationprocessingsystems- Vocabulary- Part 18: Distrib-uted data processing.

ISO/IEC2382-24:-2),Informationprocessingsystems- Vocabulary- Part 24:Computer-integratedmanufacturing.

ISO/IEC2382-27:-,Informationtechnology- Vocabulary- Part 27: Officeautomation.

1S0 5456-1:-2),Technicaldrawings- Projectionmethods- Part 1: Survey.

1S0 7942:1985,Informationprocessingsystems- Computergraphics- GraphicalKernelSystem (GKS)functionaldescription.

25

1S 15025:2001lSO/TR 10623: 1991

1S0 9179-1:1988,Technicaldrawings- Numericallycontrolleddraughtingmachines- Part 1: Vocabulary.

ISO 9241-4:-2),Ergonomicrequirementsfor officework with visualdisplayter-minals (VDTS)- Part 4: Keyboardrequirements,

. —-.-

1S0 10209-1:-3),Technicalproductdocumentation- Vocabulary- Part 1: Termsrelatingto technicaldrawings:generaland typesof drawings.

ISO 10303:-2),Exchangeof productmodel data - Representationand formatdescription.

IEC 750:1983,Item designationin electrotechnology.

NF Z 68-300:1989,Automatisationindustrielle- Specificationsdu standardd’6changeet de transfert(SET).

NIST IR 4412:1990,Initialgraphicsexchangespecification.

!?+-”

!.

.,

1) To be published.(Revisionof 1S0 2382-1:1984)2) Under preparation.3) To be published.

26

Bureau of Indian Standards

BIS k a statutoryinstitutionestablishedundertheBureau of Indian Standards Act,. 1986 to promoteharmoniousdevelopmentoftheactivitiesofstardardization,markingandqualitycertificationofgoodsandattendingtoconnectedmattersin the country.

Copyright

B] S has the copyright of all its publications. No part of these publications may be reproduced in any formwithout the prior permission in writing of BIS. This does not preclude the free use, in the course ofimplementing the standard, of necessary details, such as symbols and sizes, type or grade designations.Enquiries relating to copyright be addressed to the Director (Publication), BIS.

Review of Indian Standards

Amendments are issued to standards as the need arises on the basis of comments. Standards are also reviewed

periodically; a standard along with amendments is reaffirmed when such review indicates that no changes areneeded; if the review indicates that changes are needed, it is taken up for revision. Users of Indian Standardsshould ascertain that they are in possession of the latest amendments or edition by referring to the latest issueof ‘BIS Handbook’ and ‘Standards: Monthly Additions’.

This Indian Standard has been developed from Dot: No. BP 24( 0158).

Amendments Issued Since Publication

Anlend No. Date of Issue Text Affected

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