# what is simulation

Simulation – Modeling of an electronic circuit (or any other physical system) using computer-based algorithms and programming. Simulations can model designs at many levels of abstraction (system, gate, transistor, etc.). Simulation allows engineers to test designs without actually building them and thus can help speed the development of complex electronic systems. However, the simulations are only as good as the mathematical models used to describe the systems; inaccurate models lead to inaccurate simulations. Therefore, accurate component models are essential for accurate simulations.

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