初探计算机英语1.pptVIP

初探计算机英语 计算机英语的特点 具有大量的专业词汇 语句注重实义表达，省略句较多 文体客观性强，多用被动语态及非谓语动词 Lesson 1 What is a computer ？ What is a computer ? Why are computer so popular ? The history of the computer How computer are used Types of computers What is a computer system ? Data communications VOCABULARY Computer Computer system Data communications E-mail Hardware Internet Microcomputer Networks Software Skills Development 专业英语的特点 专业性 专业英语中存在大量的专业词汇、缩略语，它们或来源于公共英语，或在行业及技术发展过程中创造出来的，或从相关行业借用，或根据构词法规则人为构造的。同一词汇在不同语境下会有不同的含义。 For Example :Output As output,the executed data can either be stored in the memory or be printed out through peripheral devices. Printers and display screens are the main forms of output devices. A computer is a machine that recives and manipulates data, then output informations. 语句特性 专业英语多为介绍某个产品和技术，如产品外观、安装使用说明、维修等等，要求文体客观，因此在句子结构上采用被动语态或具有被动语态功能的分词描述，以被描述者为主题客观地介绍文章要点和内容。 （1）被动语态结构：由于很少使用第一人称描述，常用于技术性描述文章中。 The disks in a hard disk system are made of a metal alloy, coated on both sides with a magnetic material. Hard disks are more dimensionally stable. This means that they can be spun at higher speed, and that tracks and the bits on the tracks can be put closer together. （2）非谓语结构：专业文章介绍的内容除了技术性强外，操作性也较强。非谓语结构由于其语法特性，利于表达操作步骤。 Testing the Connection between the Computer and the Printer. Make sure the Ready light is on. An error occurred while writing to the signature file. 实义性 专业英语文体结构简练、用词节省、句子紧凑，表意准确，常采用实义词汇而不拘泥于完整语法，常采用不定式短语、分词短语、动名词短语等，通常也出现在专业广告、简介、产品手册、屏幕信息等多种文体中。 Screen Message Study Abort edit (Y/N)? Abort ,Retry ,Ignore ,Fail? Access denied. Allocation error for file , size adjusted. Attempted to access data outside of segment bounds. Attempted write protect violation. All data on specified hard disk will be lost. All files in directory will be deleted. All rights reserved. * * *