Need help with my course on memory mapping and stuff

[shaan_aragorn]

I have got a begginner's course in computer organisation this semester. The course consists of the basic stuff like types of memories and memory hierarchy with the detailed description of each etc etc.
Now, what i really don't get is memmory mapping and how exactly data is read and written on main memory, cache memory or may be associative memory.
Is there any tutorial available on the internet that can describe all this in detail but which starts from a basic level?
Please don't suggest any reference book, i have lost my library card :(

 

[NoTime]

Try typing terns like associative memory into Google.

Memory mapping refers to a number of things.
For a start you can try here.
http://en.wikipedia.org/wiki/Memory_mapping

Cache memory is a copy of main memory. Usually this is controlled by the hardware designer.