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 It has been replaced by ISO/IEC.
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Quality-in-use metrics are only available when the final product is used in real conditions.
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 prevent unauthorized access, whether accidental or deliberate, to programs or data. The current standard is under review. The subcharacteristics have been moved from the annex to become part of the standard.
This page was last edited on 12 Septemberat This part provides external metrics for measuring software quality characteristics. Attributes of software that bear on the presence and appropriateness of a set of functions for specified tasks.
Attributes of software that bear on response and processing times and on throughput rates in performances its function. It defines six product quality characteristics and in an annex provides a suggestion of quality subcharacteristics. ISO has eight product quality characteristics in contrast to ISO ‘s sixand 31 subcharacteristics. Attributes of software that bear on opportunity and effort using it in the place of specified other software in the environment of that software. Information technology – Software quality characteristics and metrics – Part 2: Attributes of software that bear on the effort needed for modification, fault removal or for environmental change.
Information technology – Software quality characteristics and metrics – Part 1: From Wikipedia, the free encyclopedia. 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 amount of resource used and the duration of such use in performing its function. 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. An attribute is an entity which can be verified or measured in the software product.
Use British English Oxford spelling from January 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. The objective of this standard is to provide a framework for the evaluation of software quality.
Attributes are not defined in the standard, as they vary between different software products.
ISO 9126: The Standard of Reference
List of International Electrotechnical Commission standards. Compared to”security” and “compatibility” were ieec as main characteristics. Software product is defined in a broad sense: This standard stems from the GE model for describing software quality, presented in by McCall et al. Attributes of software that bear on the opportunity for its adaptation to different specified environments without applying other actions or means than sio provided for this purpose for the software considered.
ISO/IEC – Wikipedia
An internal metric is a quantitative scale and measurement method, which can be used for measuring an attribute or characteristic isp a software product, derived from the product itself, either direct or ice it is not derived from measures of the behaviour of the system. On doing so, however, it leaves up to each organization the task of specifying precisely its own model.
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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. Internal metrics are applicable to a non executable software product during designing and coding in early stage of development process.