like this little box in the house how do i know how to get their it now some address it has some place but if i know its address i know how to get to that box and see what's inside the box in the computer's memory we refer to those dresses using numbers and they're just numbered from zero up until however much memory the computer actually has a few have to get some on the order two billion whatever that number is except we write those numbers and hexadecimal so somewhere in the computer you have memory location a zero zero zero and not just some boxes afrikans eight zero zero one eight zero zero two all the way down and somewhere down in the computer's memory there afc after appa absent for computer is large enough it's got some more cuts in there too and it's in there microarray gets a little you know 