[1]. In the field of computer, the
concept of mental model has been extensively applied to
investigate various aspects of the system environment which
are enormous. The definition of mental model in the field of
computer study can be defined as “the users’ understanding of
what the system contains, how the system works’ and why the
systems work in that manner” [2].
In fact, the mental model can be applied to investigate the
computer users both normal sighted and the blinds. For the
normal sighted users, there are several research works have
applied the model to investigate the computer related studies
in various aspects such as programing