When it’s the 1950s and you are tasked to design a computer system that features not only CPU registers but also a certain amount of RAM, you do not have a lot of options. At this point in time, ...

Editor's note: this post was originally published in July of 2008. It's been updated with current information. Is 20 th century conventional Winchester multi-platter, multi-head random-access disk ...

With an access time of no more than 167 msec (including 100 msec for positioning), a new magnetic disk file can store from more than 30 to almost 620 million bits. The file can include from one to 20 ...