Model 109

Last updated November 19, 2025

The Model 109, or Number 109, was a series of mainframe computers designed and built in the People's Republic of China, starting in 1964.^[1]

First Model 109, created in 1964, used vacuum tubes
The Model 109-B, China's first transistor computer was created in 1965.^[1]^[2]
The Model 109-C followed in 1967,^[1] and was used for 15 years.^[2]

Those were followed by the Number 111, their first integrated circuit computer, in 1971.^[1]

Notes

1 2 3 4 Ling, Zhijun (2005). "Introduction". The Lenovo affair: the growth of China's computer giant and its takeover of IBM-PC. Translated by Martha Avery. Singapore: John Wiley & Sons. p. 13. ISBN 978-0-470-82193-0 . Retrieved 2009-09-16.
1 2 "Scientific and technological achievements". Institute of Computing Technology. Chinese Academy of Science. Archived from the original on September 30, 2008. Retrieved 16 September 2009.

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[Ling-1] 1 2 3 4 Ling, Zhijun (2005). "Introduction". The Lenovo affair: the growth of China's computer giant and its takeover of IBM-PC. Translated by Martha Avery. Singapore: John Wiley & Sons. p. 13. ISBN 978-0-470-82193-0 . Retrieved 2009-09-16.

[ICT-AC-2] 1 2 "Scientific and technological achievements". Institute of Computing Technology. Chinese Academy of Science. Archived from the original on September 30, 2008. Retrieved 16 September 2009.

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