ISO 9126-2 PDF

ISO/IEC Software engineering — Product quality was an international standard for the evaluation of software quality. It has been replaced by ISO/IEC. ISO/IEC TR (E) ISO/IEC Software engineering – Product quality – Part 2: External metrics Contents Download Table | Examples of the use of base measures in ISO from publication: An Information Model for Software Quality Measurement with ISO.

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List of International Electrotechnical Commission standards. The subcharacteristics have been moved from the annex to become part of the standard.

ESSI-SCOPE Quality Characteristics and their application

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. Attributes of software that make the software adhere to application related standards or conventions or regulations in laws and similar prescriptions.

Attributes are not defined in the standard, as they vary between different software products. They have been reworded and several new ones added.

ISO 9126: The Standard of Reference

Attributes of software that bear on opportunity and effort using it in the place of specified other software in the environment of that software. Jso Wikipedia, the free encyclopedia.

This page was last edited on 12 Septemberat Attributes of software that bear on response and processing times and on throughput rates in performances its function.

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Each quality sub-characteristic e. It defines six product quality characteristics and in an annex provides a suggestion of quality subcharacteristics. On doing so, however, it leaves up to each organization the task of specifying precisely its own model. External metrics are applicable to an executable software product during testing or operating in later stage of development and after entering to operation process.

Information technology – Software quality characteristics and metrics – Part 1: ISO has eight product quality characteristics in contrast to ISO ‘s sixand 31 subcharacteristics. An attribute is an entity which can be verified or measured isso the software product. Internal 9126-22 are applicable to a non executable software product during designing and coding in early stage of development process. Views Read Edit View history. Attributes of software that make the software adhere to standards or conventions relating to portability.

ISO/IEC – Wikipedia

This part provides internal metrics for measuring software quality characteristics. 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. These biases include changing priorities after the start of a project or not having any clear definitions of “success”. This standard stems from the GE model for 91226-2 software quality, presented in by McCall et al.

Information technology – Software quality characteristics and metrics – Part 2: Attributes of software that bear on the amount of resource used and the duration of such use in performing its function. The objective of this standard is to provide a framework for the evaluation of software quality.

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As a result, the notion of isp 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: ISO standards by standard number. Compared to jso, “security” and “compatibility” were added as main characteristics. Quality-in-use metrics are only available when the final product is used in real conditions. 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.

Attributes of software that bear on the presence and appropriateness of a set of functions for specified tasks. Use British English Oxford spelling from January This may be done, for example, by specifying target values for quality metrics which evaluates the degree of presence of quality attributes.

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. Attributes of software that bear on its ability to maintain a specified level of performance in case of software faults or of infringement of its specified interface. By using this site, you agree to the Terms of Use and Privacy Policy.

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