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EDSAC 2 users in 1960

EDSAC 2 was an early computer, the successor to the Electronic Delay Storage Automatic Calculator. It was the first computer to have a microprogrammed control unit and a bit slice hardware architecture.[1]


  1. ^ Wilkes, M. V. (1992). "Edsac 2". IEEE Annals of the History of Computing. 14 (4): 49–56. doi:10.1109/85.194055.