文档介绍：Lesson 2 How Does puter Lesson 2 How Does puter Process Data ?Process Data ??Computer ponents The central processing unit Memory Basic controllers Expansion ports and expansion slots?Data Representation VOCABULARYVOCABULARYArithmetic/logic unitBitByteCentral processint unitControl unitInputMain memoryMotherboardRandom access memory (RAM)Read-only memory (ROM)StorageSkills DevelopmentSkills Development专业英语的特点?专业英语的语言必须具有客观性和实义性,常使用陈述句进行事实描述。A memory is a medium or device of storing one or more bits of information. In 1970s, there was a further development, which revolutionized puter field.?专业英语语言所描述内容必须清楚准确,较少使用问句。有时在操作过程中也使用问句让用户选择或确信是否采取行动。Are you sure you want to quit ? Are you sure ( Y/N ) ??为避免主观性的评价,较少使用第一人称,而多采用省略句、祈使句。屏幕信息、安装指南、使用说明、产品介绍等文体中较多使用。Please shorten the message or choose a narrower font. Run program