jan 1, 1945 - Acoustic Delay Line Concept
Description:
used piezoelectric quartz crystals at each end of a mercury filled tube and could store 1,000 bitsapplied to EDVAC, EDSAC, BINAC and initial UNIVAC
Echer?
Sequential or cyclic access memory, you have to wait for the bit to come around again
Added to timeline:
Date:
jan 1, 1945
Now
~ 80 years ago