Lassurance qualité logicielle enseignée aux futurs ingénieurs en
normes ISO choisies pour ce cours sont : • ISO/CEI 9126 partie 1 à 4 (la qualité). • ISO/ CEI 16085 (gestion des risques).
Application Development and Testing Based on ISO 9126 Framework
the ISO 9126 method which includes attributes such as aspects of functionality and. Maintainability. Testing an application or software is an activity to
ISO/IEC FDIS 9126-1
20 mar. 2000 ISO/IEC 9126 (1991): Software product evaluation - Quality characteristics and guidelines for their use which was developed to support these ...
Calidad en la Industria del Software. La Norma ISO-9126
Calidad en la Industria del Software. La Norma ISO-9126. María Antonieta Abud Figueroa*. Introducción. *Maestra en Sistemas de Información.
Applying the ISO 9126 model to the evaluation of an e-learning system
This paper proposes the ISO 9126 Quality Model as a useful tool for evaluating such systems particularly for teachers and educational administrators.
ISO 9126 Based Quality Assessment Approach for e-Learning System
1 jan. 2014 Key Words: Web-based system; e-learning; software quality assess- ment; optimizations; ISO 9126. Abstract.
SOAQM: Quality Model for SOA Applications based on ISO 25010
Factors that can only be indi- rectly measured are called external quality attributes such as maintainability. ISO 9126 (ISO/IEC 1991) has inspired several.
Appendix C ISO 9126 Metrics
Appendix C ISO 9126 Metrics. 1. ISO 9126 Reliability Metrics. 1.1. Internal reliability metrics. These can be used to help predict if the software will
An ISO 9126 Based Quality Model for the e-Learning Systems
Index Terms—E-learning ISO 9126
ISO standards ISO 12207 ISO 15504 & ISO 9126
23 mai 2007 ISO 9126 = set of characteristics to describe software product quality. ? Internal external and use-related features.
RECIPIENTSOFTHISDOCUMENTAR
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IN ADDITION TO THEIR EVALUATION AS
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ISO/IECFDIS9126-1:2000(E)©
ISO/IEC2000
FINAL DRAFTISO/IECJTC1
Secretariat:ANSI
Votingbeginson:
2000-01-20
Votingterminateson:
2000-03-20INTERNATIONALSTANDARDISO/IEC
FDIS9126-1
Informationtechnology-Software
productquality-Part1:
QualitymodelTechnologies de l"information - Qualité des produits logiciels -Partie 1: Modèle de qualité
ISO/IEC FDIS 9126-1:2000(E)
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ii© ISO/IEC 2000 - All rights reservedISO/IEC FDIS 9126-1:2000(E)
© ISO/IEC 2000 - All rights reservedii-1In accordance with the provisions of Council Resolution 21/1986, this document iscirculated in the English
language only.©ISO/IEC
ISO/IEC FDIS 9126-1:2000(E)
iiiContents
1S cope........................................................................................................................
...........................12C onformance.......................................................................................................................................2
3N ormativereference...........................................................................................................................2
4T ermsanddefinitions.........................................................................................................................2
5Q ualitymodelframew ork...................................................................................................................3
5.1A pproachestoquality.....................................................................................................................3
5.2P roductqualityandthelifecycle .....................................................................................................3
5.3It emstobeevaluated.......................................................................................................... ...........6
5.4U singaqualitymodel .....................................................................................................................6
6Q ualitymodelforex ternalandinternal quality...............................................................................7
6.1F unctionality...................................................................................................................................7
6.2R eliability........................................................................................................................................8
6.3U sability..........................................................................................................................................9
6.4E fficiency......................................................................................................................................10
6.5M aintainability...............................................................................................................................10
6.6P ortability......................................................................................................................................11
7Q ualitymodelforqualit yinuse......................................................................................................12
7.1Q ualityinuse................................................................................................................................12
AnnexA (norma tive)Metrics..............................................................................................................14
A.1S oftwaremetrics.........................................................................................................................14
A.2Q ualityinusemetrics..................................................................................................................15
A.3C hoiceofmetricsandmeas ureme ntcriteria...............................................................................16
A.4Metr icsusedforcomparis on........................................................................................................16
AnnexB (inform ative)Definitionsfromotherstandards ................................................................18
AnnexC (inform ative)Historyofthework........................................................................................23
ISO/IEC FDIS 9126-1:2000(E)
© ISO/IEC
ivForeword
ISO( theInternation alOrganizationforStandardization)and IEC(theInternationalElectrotechnical Commission)formthespecializ edsystemforwor ldwidestandar dization.Nationalbodiesthatare membersofISOorI ECpar ticipatein the developmentofInt ernationalStandardsthroughtechnic al committeesestablishedbythe respectiveorganizationtodealwi thparticu larfieldsof technicalactivity. ISOan dIECtec hnicalcommitteesco llaborateinfieldsofmutualin terest.Otherinternational organizations,governmentalandnon-gover nmental,inliaisonwithISOand IEC,also takepartinthe work. InternationalStandardsaredraftedi naccordancewiththeru lesgiven intheISO/IECDir ectives,Part3.
Inth efieldof informationtechnology,I SOan dIEChaveestablishedajoi nttechnicalcommittee, ISO/IECJTC1.DraftInt ernationalStandards adoptedbyth ejointtech nicalcommitteearecirculated tona tionalbodiesforvoting.Publ icationasanInternatio nalStan dardrequiresap provalbyatleast75% ofthe national bodiescast ingavote.
Attentionisdrawnto thepossib ilitythat someof theelementsof thispartofISO/IEC9126maybethe subjectofpatentrights. ISOand IECshallnotbehe ldresponsiblef oridentifyingany orallsuchpaten t rights. InternationalStandardISO/IEC9126- 1waspreparedbyJointT echnicalCommitteeISO/I ECJTC1, Informationtechnology,SubcommitteeSC7,Softwareengineering . Thisfirst editionofISO/I EC9126-1,togetherwitht heot herpartsofISO/IEC9126,c ancelsand replacesISO/IEC91 26:1991,whichhasbeentechnicallyr evised. ISO/IEC9126consist softhefollo wingparts,underthegeneraltitleInformationtechnology - Software
productquality - P art1:Qualitym odel - P art2:Externalmetri cs - P art3:Internalmetr ics - Par t4:Qualit yinusemetr ics AnnexAfor msa normativepartofthispar tofI SO/IEC9126-1.AnnexesBan dCarefor informat ion only.©ISO/IEC
ISO/IEC FDIS 9126-1:2000(E)
vIntroduction
Computers are being used in an increasingly wide variety of application areas, and their correct operation is often critical for business success and/or human safety. Developing or selecting high quality software products is therefore of prime importance. Comprehensive specification and evaluation of software product quality is a key factor in ensuring adequate quality. This can beachieved by defining appropriate quality characteristics, taking account of the purpose of usage of the
software product. It is important that every relevant software product quality characteristic is specified
and evaluated, whenever possible using validated or widely accepted metrics. ISO/IEC 9126 (1991): Software product evaluation - Quality characteristics and guidelines for their use, which was developed to support these needs, defined six quality characteristics and described a software product evaluation process model. As quality characteristics and associated metrics can be useful not only for evaluating a software product but also for defining quality requirements and other usage, ISO/IEC 9126 (1991) has been replaced by two related multipart standards: ISO/IEC 9126 (Software product quality) and ISO/IEC14598 (Software product evaluation). The software product quality characteristics defined in this part
of ISO/IEC 9126 can be used to specify both functional and non-functional customer and user requirements.This part of ISO/IEC 9126 is a revision of ISO/IEC 9126 (1991), and retains the same software quality
characteristics. The major differences are: the introduction of normative subcharacteristics, most of which are based on the informative subcharacteristics in ISO/IEC 9126 (1991); the specification of a quality model;
the introduction of quality in use;
removal of the evaluation process (which is now specified in the ISO/IEC 14598 standards); co-ordination of the content with ISO/IEC 14598-1. The relationship between the standards in the ISO/IEC 9126 and ISO/IEC 14598 series (see Annex D) is illustrated in Figure 1.ISO/IEC FDIS 9126-1:2000(E)
© ISO/IEC
vi14598-3
14598-4
14598-5
9126-1
14598-1
9126-29126-49126-3
Resources
and environmentEvaluation
processEffect of the
software productSoftware
productEvaluation
support14598-2
14598-6
Evaluation
processInternal metricsExternal metricsQuality in use metrics Figure 1 - Relationship between ISO/IEC 9126 and ISO/IEC 14598 standards FINAL DRAFT INTERNATIONAL STANDARD ISO/IEC FDIS 9126-1:2000(E) 11Scope
This part of ISO/IEC 9126 describes a two-part model for software product quality: a) internal quality
and external quality, and b) quality in use. The first part of the model specifies six characteristics for
internal and external quality, which are further subdivided into subcharacteristics. These subcharacteristics are manifested externally when the software is used as a part of a computersystem, and are a result of internal software attributes. This part of ISO/IEC 9126 does not elaborate
the model for internal and external quality below the level of subcharacteristics.The second part of the model specifies four quality in use characteristics, but does not elaborate the
model for quality in use below the level of characteristics. Quality in use is the combined effect for the
user of the six software product quality characteristics.The characteristics defined are applicable to every kind of software, including computer programs and
data contained in firmware. The characteristics and subcharacteristics provide consistent terminology
for software product quality. They also provide a framework for specifying quality requirements for software, and making trade-offs between software product capabilities. Normative Annex A provides recommendations and requirements for software product metrics andquality in use metrics. Examples of these metrics are contained in other parts of ISO/IEC 9126. These
metrics are applicable when specifying the quality requirements and the design goals for softwareproducts, including intermediate products. An explanation of how this quality model can be applied in
software product evaluation is contained in ISO/IEC 14598-1. This part of ISO/IEC 9126 enables software product quality to be specified and evaluated from different perspectives by those associated with acquisition, requirements, development, use,evaluation, support, maintenance, quality assurance and audit of software. It can for example be used
by developers, acquirers, quality assurance staff and independent evaluators, particularly those responsible for specifying and evaluating software product quality. Examples of uses of the quality model defined in this part of ISO/IEC 9126 are to: validate the completeness of a requirements definition; identify software requirements;
identify software design objectives;
identify software testing objectives;
identify quality assurance criteria;
identify acceptance criteria for a completed software product.NOTE 1This part of ISO/IEC 9126 can be used in conjunction with ISO/IEC 15504 (which is concerned with the
software process assessment) to provide: a framework for software product quality definition in the customer-supplier process;Informationtechnology - Soft wareproductquality -
Part1:
Qualitymodel
© ISO/IEC
/Touch-Up_Line ISO/IEC FDIS 9126-1:2000(E)/Touch-Up_Line© ISO/IEC/Touch-Up_Line/Touch-Up_Line
2 /Touch-Up_Linesupport for review, verification and validation, and a framework for quantitative quality evaluation, in the/Touch-Up_Line
support process; /Touch-Up_Line support for setting organisational quality goals in the management process. /Touch-Up_LineNOTE 2This part of ISO/IEC 9126 can be used in conjunction with ISO/IEC 12207 (which is concerned with the/Touch-Up_Line
software lifecycle) to provide: /Touch-Up_Line a framework for software product quality requirements definition in the primary lifecycle process; /Touch-Up_Line support for review, verification and validation in supporting lifecycle processes. /Touch-Up_LineNOTE 3This part of ISO/IEC 9126 can be used in conjunction with ISO 9001 (which is concerned with quality/Touch-Up_Line
assurance processes) to provide: /Touch-Up_Line support for setting quality goals; /Touch-Up_Line support for design review, verification and validation. /Touch-Up_Line2Conformance/Touch-Up_Line
Any software product quality requirement, specification or evaluation that conforms to this part of /Touch-Up_LineISO/IEC 9126 shall either use the characteristics and subcharacteristics from clauses 6 and 7, giving
/Touch-Up_Linethe reasons for any exclusions, or describe its own categorisation of software product quality attributes
/Touch-Up_Line and provide a mapping to the characteristics and subcharacteristics in clauses 6 and 7. /Touch-Up_LineA software product quality requirement or specification that contains metrics used for comparison shall
/Touch-Up_Line state whether the metrics have the properties specified in A.4. /Touch-Up_Line3Normative reference/Touch-Up_Line
The following normative document contains provisions which, through reference in this text, constitute
/Touch-Up_Line provisions of this part of ISO/IEC 9126. For dated references, subsequent amendments to, or /Touch-Up_Linerevisions of, any of these publications do not apply. However, parties to agreements based on this part
/Touch-Up_Lineof ISO/IEC 9126 are encouraged to investigate the possibility of applying the most recent edition of
/Touch-Up_Line the normative document indicated below. For undated references, the latest edition of the normative /Touch-Up_Line document referred to applies. Members of ISO and IEC maintain registers of currently valid /Touch-Up_LineInternational Standards.
/Touch-Up_LineISO/IEC 14598-1:1999,
Information technology Software product evaluation Part 1: General /Touch-Up_Line overview. /Touch-Up_Line4Terms and definitions/Touch-Up_Line
For the purposes of all parts of ISO/IEC 9126, the following definition and the definitions contained in
/Touch-Up_LineISO/IEC 14598-1 apply.
/Touch-Up_LineNOTEThe definitions contained in ISO/IEC 14598-1 are reproduced in informative annex B./Touch-Up_Line
4.1 /Touch-Up_Line level of performance /Touch-Up_Line the degree to which the needs are satisfied, represented by a specific set of values for the quality /Touch-Up_Line characteristics /Touch-Up_Line© ISO/IEC/Touch-Up_LineISO/IEC FDIS 9126-1:2000(E)
/Touch-Up_Line /Touch-Up_Line 3 /Touch-Up_Line5Quality model framework/Touch-Up_Line
This clause describes a quality model framework which explains the relationship between different /Touch-Up_Lineapproaches to quality. A specific implementation of this quality model is given in clauses 6 and 7.5.1.
/Touch-Up_Line 5.1Approaches to quality
/Touch-Up_LineFigure 2 - Quality in the lifecycle
/Touch-Up_LineUser quality needs include requirements for quality in use in specific contexts of use. These identified
/Touch-Up_Line needs can be used when specifying external and internal quality using software product quality /Touch-Up_Line characteristics and subcharacteristics. /Touch-Up_LineEvaluation of software products in order to satisfy software quality needs is one of the processes in the
/Touch-Up_Line software development lifecycle. Software product quality can be evaluated by measuring internal /Touch-Up_Linequotesdbs_dbs14.pdfusesText_20[PDF] iso abréviation
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