In practical case, this is very hard to determine. The overall sound level is really controlled by the pre-amp. Therefore so as the absolute noise level. Also under different situations, the background noise level could be different. However, we can still find some meaningful value by ...
in machine instructions. It is error-prone as it is not easy to understand, and its maintenance is also very high. A machine-level language is not portable as each computer has its machine instructions, so if we write a program in one computer will no longer be valid in another computer...