ISO IEC 9126-3 PDF

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 It has been replaced by ISO/IEC.

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This may be done, for example, by specifying target values for quality metrics 9162-3 evaluates the degree of presence of quality attributes. Attributes of software that bear on the effort needed to install the software in a specified environment. Ideally, the internal quality determines the external quality and external quality determines quality in use.

It defines six product quality characteristics and in an annex provides a suggestion of quality subcharacteristics. Software product is defined in a broad sense: This page was last edited on 12 Septemberat Compared to”security” and “compatibility” were added as main characteristics. 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.

Isk quality sub-characteristic e. 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.

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ISO/IEC 9126

The subcharacteristics have been moved from the annex to become part of the standard. Attributes of software that bear on the amount of resource used and the duration of such use in performing its function.

Attributes of software that make the software adhere to application related standards or conventions or regulations in laws and similar prescriptions. There is also a definition of quality in use which defines the user’s view ixo a result of using the software.

Attributes of software that make the software adhere to standards or conventions relating to portability. Quality characteristics and subcharacteristics.

These biases include changing priorities after the start of a project or not having any clear definitions of “success”. 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. 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.

Lso of software that bear on opportunity and effort using it in the place of specified other software in the environment of 912-3 software.

By using this site, you agree to the Terms of Use and Privacy Policy. 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 effort needed for modification, fault removal or for 91126-3 change. The current standard is under is. Attributes are not defined in the standard, as they vary between different software products.

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ISO/IEC – Wikipedia

ISO standards by standard number. This standard stems from the GE model for describing software quality, presented in by McCall et al.

Information technology – Software quality characteristics and metrics – Part 3: Retrieved from ” https: On doing so, however, it leaves up to each organization the task of specifying precisely its own model. Information technology – Software quality characteristics and metrics – Part 2: Views Read Edit View history.

ESSI-SCOPE Quality Characteristics and their application

The objective of this standard is to provide a framework for the evaluation of software quality. Quality-in-use metrics are only available when the final product is used in real conditions. This part provides internal metrics for measuring software quality characteristics.

Information technology – Software quality characteristics and metrics – Part 1: ISO has eight product quality characteristics in contrast to ISO ‘s sixand 31 subcharacteristics. They have been reworded and several new ones added. External metrics are applicable to an executable software product during testing or operating in later stage of development and after entering to operation process.