While it's good to know something about how all the component works, most of us spend most of our time at a particular level of abstraction, and don't worry abo

While it's good to know something about how all the component works, most of us spend most of our time at a particular level of abstraction, and don't worry about the details of the framework->language implementation->compiler->hardware instruction set->silicon pathways all the time. If you understand your code at your current level of abstraction, you're probably doing OK. If you don't, you're definitely in trouble.