Intel's Real Mode
The funny thing about having CPU registers narrower than your architecture's address bus is that you can't store some of the larger memory addresses in a single register. Although still somewhat of an issue on certain embedded platforms and microcontrollers, this issue gained a large amount of exposure ...
Introduction to Paging
Right now, my laptop is running about 290 processes within a little over 8 GB of physical memory—and everything is solid as a rock. Have you ever wondered how all the processes on your computer manage to share the same physical memory without stepping on each other's toes ...