FACOM 128

The FACOM 128 was a relay-based electromechanical computer built by Fujitsu. Two models were made, namely the FACOM 128A, built in 1956, and the FACOM 128B, built in 1959.[1] As of 2019, a fully working FACOM 128B is still in working order, maintained by Fujitsu staff at a facility in Numazu in Shizuoka Prefecture.[2][3]

The FACOM 128B processes numbers using a bi-quinary coded decimal representation.[4]

References
  1. "FACOM 128A and 128B Relay Computers". museum.ipsj.or.jp. Retrieved 2019-12-01.
  2. Hruska, Joel (August 1, 2019). "Fujitsu Has an Employee Who Keeps a 1959 Computer Running". www.extremetech.com. Retrieved 2019-12-01.
  3. "Technician keeps computer made in 1959 still humming along". The Asahi Shimbun. Retrieved 2019-12-01.
  4. Williams, Al (2019-08-03). "Maybe The Oldest Computer, Probably The Oddest". Hackaday. Retrieved 2019-12-01.

See also


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