Knowing what’s going on inside an oven when it’s working properly is a definite asset the day everything coming out of it is either burnt, not cooked, or unevenly cooked. A basic understanding of how the appliance is supposed to operate is a step in the right direction in deciding what to look for while troubleshooting to find the defective component. The following explains how different types of ovens work and what components are used to make it work.