The Usability Evaluation of the E-services Unified System in King Abdulaziz University

Usability is considered one of the most important features of any systems, which used to measure how easy the system is to use. Measuring the system usability degree from the user perspective has been a breakthrough recently helping in the assessment of the overall system quality. With the consideration of the usability of the system as a crucial factor for evaluating it, the decision of deciding which affective usability factor affects usability more than others is one the problems that faces researchers. The work proposed in this paper concentrates on evaluating the usability of the e-services unified system in KAU university website from the viewpoint of universitys administrative and academic staff. Previous usability models are studied to be able to determine the most important and common factors that affect the usability of any system. The factors determined are classified and used to set the adopted proposed model to facilitate the measurement of KAU university website usability. The research findings indicated that all factors have positive impact on the system usability with different degrees. The most significant factor was safety and the last and least affecting factor was the universality.