System is a collection of conceptual or physical components
that are brought together to reach one or more specific purpose or
conclusion (Esen, 0000, p.00).
The boundary of system must firstly be set to be able to determine
the system. Everything stays out of the system constitutes the
environment of system. The system boundary is a field separating
the system from its environment. Another concept related with the
system is system interface. It is defined as the area separating the
boundaries of two systems. System interface is the platform that an
output of a system is transported to another system or the point of
contact which system components connect with the environment or
each other. The system and system characteristics can be depicted as