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1946年世界上第一台电子管数字式电子计算机设计成功并投入运行,到现在仅经历了三十多年的时间,然而它却经历了四代的变化,第五代计算机也正在研制中,预计到1990在以后将投入使用。现简略概括于下表:
In 1946, the world’s first digital tube electronic tube computer was designed and put into operation successfully. Now it has only gone through more than 30 years. However, it has undergone four generations of changes. The fifth generation computer is under development. It is estimated that To 1990 will be put into use later. Now briefly summarized in the table below: