ISO IEC 9126-3 PDF

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International Technical Report ISO/IEC was prepared by the Joint Technical Committee ISO/IEC JTC1, Information Technology, Subcommittee SC7 . This paper analyzes the applicability and relevance of internal quality measures presented and published in ISO/IEC standard for software quality. ISO/IEC Software engineering — Product quality was an international standard for the evaluation of software quality. It has been replaced by ISO/IEC.

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List of International Electrotechnical Commission standards.

This part provides external metrics for measuring software quality characteristics. The subcharacteristics have been moved from the annex to become part of the standard. Attributes are not defined in the standard, as they vary between different software products.

Information technology – Uec Product Evaluation – Quality characteristics and guidelines for their use – As a result, the notion of user extends to operators as well as to programmers, which are users of components such as software libraries. Information technology – Software quality characteristics and metrics – Part 3: It defines six product quality characteristics and in an annex provides a suggestion of quality subcharacteristics.

Attributes of software that bear on its ability to 9216-3 unauthorized access, whether accidental or deliberate, to programs or data.

Attributes of software that bear on the capability to re-establish its level of performance and recover the data directly affected in case of a failure and on the time and effort needed for it.

Compared to”security” and “compatibility” were added as main characteristics. Attributes of software that make the software adhere to application related standards or conventions or regulations in laws and similar prescriptions.

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Attributes of software that bear on the effort needed to install the software in a specified environment. An internal metric is a quantitative scale and measurement method, which can be used for measuring an attribute or characteristic of a software product, derived from the product itself, either direct or indirect it is not derived from measures of the behaviour of the system.

ISO/IEC – Wikipedia

Attributes of software that bear on response and processing times and on throughput rates in performances its function. Attributes of software that bear on opportunity and effort using it in the place of ieec other software in the environment of that software. External metrics are oec to an executable software product during testing or operating in later stage of development and after entering to operation process.

ISO standards by standard number. An external metric is a quantitative scale and measurement method, which can be used for measuring an attribute or characteristic of a software product, derived from the behaviour of the system of which it is a part. On doing so, however, it leaves iiec to each organization the task of specifying precisely its own model. Attributes of software that bear on the amount of resource used and the duration of such use in performing its function.

The standard provides a framework for organizations to define a quality model for a software ieo. Quality-in-use metrics are only available when the final product is used in real conditions.

By using this site, you agree to the Terms of Use and Privacy Policy. Attributes of software that bear on the opportunity for its adaptation to different specified environments without applying other actions or means than those provided for this purpose for the software considered. Each quality sub-characteristic e. This part provides the concepts introduced in the original standard ie a recommended quality model which categorizes software quality in six characteristics, which are further sub-divided into subcharacteristics.

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Quality characteristics and subcharacteristics. Attributes of software that bear on the presence and appropriateness of a set of functions for specified tasks.

They have been reworded and several new ones added. Information technology – Software quality characteristics and ice – Part 2: Views Read Edit View history. Attributes of software that make the software adhere to standards or conventions relating to portability.

ISO/IEC 9126

This may be done, for example, by specifying target values for quality metrics which evaluates the degree of presence of quality attributes. Ixo product is defined in a broad sense: Internal metrics are applicable to a non executable software product during designing and coding in early stage of development process.

Retrieved from ” https: Attributes of software that bear on the effort needed for diagnosis of deficiencies or causes of failures, or for identification of parts to be modified. Use British English Oxford spelling from January Information technology – Software quality characteristics and metrics – Part 1: ISO has eight product quality characteristics in contrast to ISO ‘s sixand 31 subcharacteristics. There is also a definition of quality in use which defines the user’s view as a result of using the software.

From Wikipedia, iwo free encyclopedia. Attributes of software that bear on the effort needed for modification, fault removal or for environmental change. This standard stems kec the GE model for describing software quality, presented in by McCall et al.