Performance of microkernel vs monolithic kernel. As is always the answer (or at least the preface) to performance-related questions: know your problem domain, run comparative benchmarks, and remember what premature optimization is.
A summary of the difference between contactors, motor starters, relays and circuit breakers. Switches, circuit breakers, and contactors are used to control what parts of an electrical system are energized or de-energized. Fuses are used to protect the electrical system when something goes wrong, and can isolate the faulted parts from the normal parts.
An Open circuit is one where the power does not reach the load. 1  Usually caused by an open fuse, broken wire or a faulty switch. 2  A Short Circuit is one where the power is 'shorted' to ground before the load. This usually results in a blown fuse or circuit breaker.