Graphical User Interface (GUI)

Graphical User Interface (GUI) may be a model of interaction between humans and computers. Addition the GUI, there are another models sort of a Character User Interface (CUI) that usually we all know with command line. From the aspect of comfort (attitude), each models are have their respective followers. Adherents typically CUI is that the system administrator based mostly LINUX operating system. For them, CUI felt easier than with the GUI, and even when GUI in Linux is growing rapidly, they still survive to use the CUI. Followers the GUI typically were those that are aware of the Windows operating system.

critical side of the GUI is additional user friendly however not usability, that is: a live of the benefit with that a system will be learned or used, its safety, effectiveness and potency, and perspective of its users Towards it (Preece et al., 1994 ). Usablity has three aspects: learnability (easy for brand new users to be able to use the system effectively and achieve the foremost optimal performance), flexibility (variation methodology / model for users and systems within the exchange of information), and also the effectiveness / robustness (the level of support provided for users to succeed in their goals by success and supply an assessment behavior that is directed by a purpose). These 3 aspects if was achieved it'll be provide price the perspective (comfort for the user).