In the early 1980s, the computer giant,IBM produced the world's first Personal Computer. This ran on an 'operating system'called DOS, produced by a then small company named Microsoft. The IBM PersonalComputer was widely copied.

　　10.In the early 1980s, the computer giant, IBM produced the world's first PersonalComputer.

　　80年代初，计算机行业的王牌公司美国国际商用机器公司(IBM)生产出了世界上第一台个人电脑。

　　语言点:computer giant的意思是“计算机巨头”，在这里指的是IBM公司。

　　11.This ran on an 'operating system' called DOS, produced by a then small companynamed Microsoft.

　　这种电脑采用了一种被称为磁盘操作系统(DOS)的工作程序，而这种程序是由当时规模不大的微软公司生产的。

　　12.The IBM Personal Computer was widely copied.

　　IBM的个人电脑被大规模地模仿。

　　语言点:be widely copied的意思是“被大规模地仿制”。