Q4-Examples

The Mac OSX graphical User interface. The Mac OSX user interface is designed in a way that not much prior knowledge is required to use it and not much time is spent by the user to learn the system. By reducing the mental strain on the user , the interface design allows for a lower …

Q1)-Summary

Performance load is the “degree of mental and physical activity” (Lidwell, Holden, & Butler, 2010) necessary for the completion of a task to achieve a result. A high performance load means that the probability for a person to make mistakes is higher and the chances of proper completion of the task decrease. There are two …