Well, at some point you are looking at transistors and 'if's . How many layers above that you want to hide that fact is entirely dependant on you and the requi

Well, at some point you are looking at transistors and 'if's . How many layers above that you want to hide that fact is entirely dependant on you and the requirements of solving there problem. I have a problem with people assuming 'their' way is there only way, and generally being oblivious about the vast variety of problems the rest of us encounter.