Looks like you are asking two questions. "How does C++ get mapped onto real machines (and operating systems)?" and "How do machines really work?". You might w

Looks like you are asking two questions. "How does C++ get mapped onto real machines (and operating systems)?" and "How do machines really work?". You might want to look at Yale Patt's book which begins from the bottom (gates and assembly language) and works up. http://www.amazon.com/s?ie=UTF8&rh=i%3Astripbooks%2Cp_27%3AYale%20Patt&field-author=Yale%20Patt&page=1 http://www.amazon.com/s?ie=UTF8&rh=i%3Astripbooks%2Cp_27...