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中国IT大事(IT event in China).doc

发布:2017-07-24约2.53万字共20页下载文档
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中国IT大事(IT event in China) IT memorabilia in China The article comes from computer world In 1956, Premier Zhou Enlai personally presided over the proposal, and the development of Chinas twelve year plan of the development of science and technology, computer, electronics, semiconductor, automation as the four emergency measures development planning is selected, and the development of the computer scientific research, production, education development plan. Chinas computer industry started from here. August 25, 1956: Chinas first Research Institute of computing technology -- the Preparatory Committee of the Institute of computing technology of the Chinese Academy of Sciences was established, and the famous mathematician Hua Luogeng was appointed director. This is the cradle of computational technology research institutions in china. August 1, 1958: Chinas first small electronic tube digital computer 103 machine was born. The machine word length of 32 operations per second, 30 times, the drum internal memory capacity is 1K. 1958: Chinas first self-developed 331 military digital computer was successfully developed by Harbin military engineering institute. September 1959: Chinas first large-scale electronic tube computer 104 machine successfully developed. The machine speed is 10 thousand times per second, 39 bit word length, the magnetic core memory, the capacity is 2K ~ 4K, and is equipped with a drum external memory, optical tape reader and 1/2 inch tape machine. 60s 1964: Chinas first self-developed 119 large-scale digital computer was born in the Chinese Academy of Sciences, the computing speed of 50 thousand times per second, word length 44, memory capacity 4K words. The calculation task of the first hydrogen bomb was completed in this aircraft. June 1965: Chinas first large-scale transistor computer 109 B machine in the Chinese Academy of Sciences Institute of computing was born, word length 32, computing speed 100 thousand times per second, memory capacity for the
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