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一、前言在第二次世界大战中,美国研制了电子计算机,在战后它得到了迅速的发展。继ENIAC机之后,美国又制作了UNIVAC1、IBM 650、IBM 709等计算机。当计算机进入第二代时,IBM公司就先后发表了7070、7090、7094和1401,其中1401以畅销的小型机而闻名。当计算机到了第三代时,IBM公司便使结构标准化,然后分别发表了360系列和370系列,紧接着附加了虚拟存储、多重处理等功能,直至目前为止。最初,日本富士通在1954年制作了继电
I. Preface In the Second World War, the United States developed a computer and gained rapid development after the war. Following the ENIAC machine, the United States also produced UNIVAC1, IBM 650, IBM 709 and other computers. When the computer into the second generation, IBM has published 7070,7090,7094 and 1401, of which 1401 is known as the best-selling minicomputer. When the computer reached the third generation, IBM standardized the structure and released the 360 and 370 series, respectively, followed by virtual storage and multiprocessing, to date. Initially, Japan’s Fujitsu made a relay in 1954