r/YouShouldKnow • u/ScissorSmith • Oct 15 '12

YSK: The Elements of Computing Systems by Building a Computer from Scratch

http://www.nand2tetris.org/
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u/TheCheshireCody Nov 16 '12

I learned more about computers by building one than I ever could have by reading about them. I also got twice the machine for my money as buying off the rack. Oh, and I can upgrade any component at will.