RADIOELECTRONIC AND COMPUTER SYSTEMS

The software quality model describes software quality in terms of non-functional requirements. The most well-known and authoritative quality model ISO/IEC 25010, includes 8 related characteristics: functionality, performance, compatibility, usability, reliability, security, maintainability, and portability. The article materials are limited only by the quality of the software in terms of usability characteristics. The characteristic of the usability of the software should include subcharacteristics inherent in the quality of the user interface, on the one hand, as a static object, and on the other hand, subcharacteristics of the process of interaction with the user – human-computer interaction. Existing quality models and usability assessments do not combine the quality elements of the user interface itself and the user experience. The article proposes models of quality and quality assessment of the usability of the software interface of human-computer interaction, which combine the characteristics inherent directly to the user interface and the characteristics of human-computer interaction. Such models are interconnected due to a single nomenclature of subcharacteristics. The model for assessing the quality of software usability consists of two parts and includes many metrics and indicators that correspond to the indicated sub-characteristics. The purpose of the article is to develop a quality model of the usability of the software interface of human-computer interaction and a corresponding model for assessing its quality, which would combine the subcharacteristics of the quality of the user interface and the subcharacteristics of the quality of its interaction with the user. The object of the research is the subcharacteristics of the usability of the software interface of human-computer interaction. The idea of developing the model is based on the results of the analysis of the following standards: ISO / IEC 25010, ISO / IEC 25022, and ISO / IEC 25022. The provisions (subcharacteristics and metrics) of these standards were taken into account when forming the main material of this article. The taxonomy of metrics and indicators was formed by combining metrics from ISO / IEC 25022, ISO / IEC 25023, and proprietary metrics. As a result, this paper proposes a model for the quality of the usability of the software interface of human-computer interaction and a model for assessing the quality of the usability of the software interface of human-computer interaction.

software usability; human-computer interaction; usability metrics; standard ISO / IEC 25010; standard ISO / IEC 25022; standard ISO / IEC 25022

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