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** {Extended Version-- includes 2 mins of restoration edits and brief appendix added} Computer History 1969: An IBM technical & sales film announcing the IBM 2770 Data Communication System.
Each piece of hardware is described by the narrator.
The 2770 utilized bisynchronous communication protocol, which provided access to multiple input-output devices.
It was often used in conjunction with the System\360 mainframe or other large computers.
A vintage IBM corporation film.
Mid-Century computing technology - Color, run time: 8 mins.
The 2770 was developed by the IBM General Products Division in Rochester, Minnesota.
It was also used at the IBM center, Research Triangle Park (RTP), in North Carolina in the 1970's.