Here is an outline of tomorrow's lecture. My first draft of the slides are here, 15Mb PDF. Given that it is the second-to-last day of classes, I suppose you can check these out and decide whether to come or not ;-) For you EE-types, a lot of this stuff (like the truth tables and logic gates) is either the familiar subject of your recurring nightmares, or it will be soon.
The outline, as of now:
- basic computer architecture
- memory
- reminder: how transistors work
- FLASH memory
- S/D/MRAM basics
- memory architecture
- logic & computation
- how to implement logic & computation
- logic gates
- building gates from transistors/switches
- computation example: comparison, addition
- information physics
- energy requirements & thermal stability
- mechanical, electrical, and magnetic storage
- losses per cycle
- the safety of Moore's "law" and fundamental limits
- Time permitting (probably not): hard disks
- overview of operation
- media (analogous to CD/vinyl)
- reading & writing
- positioning & mechanical
- why magnets?
- history & recent boom times
- fundamental limits approaching
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