67 years ago today, on August 1, 1958 (June 16, 1958 lunar calendar), our country's first small general-purpose digital electronic computer was successfully developed. On August 1, 1958, our country's first small general-purpose digital electronic computer was made by the Chinese Academy of Sciences Institute of Computing Technology, Beijing Cable Power Plant and other relevant units. It consists of tens of thousands of parts, including nearly 4,000 semiconductor germanium diodes and 800 tubes, and the precision of the calculation results reaches 9 digits.