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dec 7, 1970 - AL1 Microprocessor

Description:

ALU
Four-Phase Systems
"used to demonstrate a working computer in a dispute over an early patent for the microprocessor."
http://www.cpushack.com/2014/08/15/four-phase-systems-al1-processor-8-bits-by-lee-boysel/

Added to timeline:

Date:

dec 7, 1970
Now
~ 55 years ago