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 It has been replaced by ISO/IEC.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 part provides external metrics for measuring software quality characteristics. An internal metric is a quantitative scale and measurement method, uso 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.

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. An attribute is an entity which can be verified or measured in the software product.

The objective of this standard is to provide a framework for the idc of software quality.

Information technology – Software Product Evaluation – Quality characteristics and guidelines for their use – This may be done, for example, by specifying target values for quality metrics which evaluates the degree of ifc of quality attributes. Internal metrics are applicable to a non executable software product during designing and coding in early stage of development process.

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ISO 9126: The Standard of Reference

Use British English Oxford spelling from January Attributes of software that bear on the effort needed for diagnosis of deficiencies or causes of failures, or for identification of parts to be isoo. Information technology – Software quality characteristics and metrics – Part 3: List of International Electrotechnical Commission standards.

Attributes of software that bear on the presence and appropriateness of a set of functions for specified tasks. As a result, the notion of user extends to operators as well as to programmers, which are users of components such as software libraries. From Wikipedia, the free encyclopedia.

ESSI-SCOPE Quality Characteristics and their application

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

Information technology – Software quality characteristics and metrics – Part 1: Compared to”security” and “compatibility” were added as main characteristics. Attributes of software that bear on opportunity and effort using it in the place of specified other software in the environment of that software.

ISO/IEC 9126

Software product is defined in a broad sense: Attributes of software that make the software adhere to standards or conventions relating to portability. Quality characteristics and subcharacteristics. 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.

The current standard is under review. Attributes of software that bear on the effort needed to install the software in a specified environment. Information technology – Software quality characteristics and metrics – Part 2: External metrics are applicable to an executable software product during testing or operating in later stage of development and after entering to operation process.

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Attributes of software that bear on response and processing times and on throughput rates in performances its function. The subcharacteristics have been moved from the annex to become part of the standard.

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

Attributes of software that bear on the effort needed for modification, fault removal or for environmental change. By using this site, you agree to the Terms of Use and Privacy Policy. This page was last edited on 12 Septemberat Quality-in-use metrics are only available when the final product is used in kso conditions. Each quality sub-characteristic e. Attributes of software that bear on its 916-3 to maintain a specified level of performance in case of software faults or of infringement of its specified interface.

ISO/IEC – Wikipedia

Views Read Edit View history. ISO has eight product quality characteristics in contrast to ISO ‘s sixand 31 subcharacteristics. This part provides internal metrics for measuring software quality characteristics.

The standard provides a framework for organizations to define a quality model for a software product.