Let us look at the Embedded system design process A real system model designed along with experiments conducted for getting to know about the system or evaluating all the steps to make the system work is called simulation. A model represents the functions or the behavior of the chosen physical system. This model has to be developed for simulating it. There are many contexts used in simulation like the simulation of technology
for
performance
optimization,
training,
testing,
and
education.
For studying simulation models, computer experiments are used. For testing the circuit, a simulation process is used as hardware changing is difficult when there is breakdown in the circuit. It is a process of design testing by input applications of a circuit and watching or noting its behavior. Timing simulation and functional simulation are two types of simulation. The logical operation is assessed by the functional simulation of a circuit and it differs without any explanation. For checking the principal effectiveness of the designed circuit the principal simulation is fast and friendly. The functional simulation has logic when compared to timing simulation. For responding as a feedback the logical components and wires are going back in simulation process. For testing logical function of the circuit it marks the timing of signals in the circuit but it takes a lot of time to work.