With IBM clearly on top in the early 1960s, Watson took in one of 【S1】______ the biggest gambles in corporate history. He proposed of spending 【S2】______ more than $5 billion—which about three times IBM% revenues at 【S3】______ the time to develop a new line of computers that would make the company's existing machines obsoletE.The goal was to replace for specialized units with a family of compatible computers 【S4】______ that could fill what every data-processing neeD.Customers could start 【S5】______ with small computers and move up as their demands increased, 【S6】______ taking their old software along with them. If this flexibility inspired 【S7】______ in the name System/360, after the 360 degrees in a circlE.【S8】______ Ultimately, as System/360, which revolutionized the industry, proved 【S9】______ to be wildly successful as well. Because IBM's base of installed 【S10】______ computers jumped from 11,000 in early 1964 to 35,000 in 1970, 【S11】______ and with its revenues more than doubled, to $7.5 billion. At the same 【S12】______ time, IBM's market value soared from about $14 billion to more than $36 billion. 【S1】______