At first this meant making punch-card tabulators, but IBM moved on to magnetic-tape systems, mainframes, PCs, and most recently services and consulting.
最初，它制造穿孔卡显示器，之后开发磁带系统，大型计算机及个人计算机，如今，又转向服务和咨询业务。
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Here’s Herman Hollerith’s punch-card tabulating machine designed for the 1890 census–a predecessor of modern computers, and the product of a company that, after several mergers, evolved into IBM.