Slide 8 of 66
Notes:
MOST FAMOUS INVENTION --
FERRITE CORE MEMORY
BUILT ON AN WANGS WORK
PRIOR MEMORY WAS ELECTROMECHANICAL
VACUUM TUBES -- MAJOR PROBLEMS
WITH DOWNTIME -- ABOUT 1 MONTH- YEAR
SLOW
FERRITE CORE MEMORY WAS VERY FAST
DOWNTIME ABOUT 10 HOURS A YEAR
BASIS OF MOST IMPORTANT COMPUTERS UNTIL THE LATE 1960S
INCLUDING
