UML for UNIX Many computer science educators have no formal
training in education. Their work simply gets grounded in the
technology. For any teacher or student, it is very hard to find
out the sources of difficulty in learning particular concept.
According to the Sensory Stimulation theory proposed by Laird
(1985), effective learning occurs when the senses are stimulated
and by stimulating the visual sense especially, learning can be
enhanced. Unified Modeling Language (UML) is a language proposed
for visualizing the system.