A vacuum tube computer is a computer system built primarily using vacuum tubes and vacuum tube logic. Vacuum tube switching replaced the earlier relay computers from the 1940s. Vacuum tube computer gained traction during the 1950s through the early 1960s. By the mid 1960s discrete logic computers superseded vacuum tubes.

Overview

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Vacuum Tube Systems

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System	Developer	Company/Institution	Relay Count	Year Complete	Notes

See also

• relay computer

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