Abstract
The paper emphasizes the importance of software usability as a key quality characteristic of software during its use. At the beginning of the paper, a retrospective of formal definitions of usability is given in order to show the evolution of views on usability for more than three decades. To ensure the required quality in use, it is necessary to measure and evaluate many characteristics that affect the usability of software. The paper gives a brief chronology of attempts to identify different dimensions of usability based on its definitions. Since it is not easy to determine the characteristics that contribute most to the quality in use, two methods are applied in identifying the key attributes that affect usability, and they are to be given special consideration when building a model of usability.
Highlights
Usability is a qualitative feature of software during its use which allows the user to perform desired tasks effectively and comfortably
Some of these definitions of usability can be successfully applied to a variety of web applications, the need for a positive user experience in interacting with the application is further emphasized in the web environment
Based on the overall frequency of attributes in all included definitions, it can be concluded that the attributes: ease of learning, satisfaction, flexibility, efficiency, effectiveness and ease of memory have the highest impact on the usability of software systems
Summary
Usability is a qualitative feature of software during its use which allows the user to perform desired tasks effectively and comfortably. Usability is a key element in defining the overall quality of a software system and is commonly recognized as a quality factor in the technical aspect. This is a field of interaction of people and computers (HCI), which provides the theoretical background and suggests techniques for producing quality user interfaces. VOJNOTEHNIČKI GLASNIK / MILITARY TECHNICAL COURIER, 2017., Vol 65, Issue 2 ta and computer systems and networks (Arms, 2000) All these different aspects of usability are of interest to software designers, developers and users in order to get a usable system. Usability is primarily related to the quality of design applications and includes user interface design, method development, testing and commissioning
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