《计算机专业英语（第3版）》共10个单元，内容主要包括认识和使用计算机、计算机系统构成、计算机硬件、计算机操作系统、多媒体技术、计算机网络、计算机病毒、计算机软件和计算机程序设计等。在每课后均设有习题，学生通过练习能够巩固本章所学知识。在每单元末还设有提高训练，主要介绍基本语法知识及与计算机技术读写相关的知识。
《计算机专业英语（第3版）》所选的文章难度适中，并且紧跟计算机技术发展的最新方向，适合作为中等职业学校“计算机专业英语”课程的教材，也可作为希望提高计算机专业英语水平者的自学参考书。

Unit 1 Recognize Computer 
Text 1 Guess What It Is 
Text 2 What Does a Computer Look Like? 
Text 3 Do You Know Them? 
Text 4 Generations of Electronic Computer 


Unit 2 Use Computer 
Text 1 Buy a Notebook 
Text 2 Introduction of a Window 
Text 3 Learning Computer Knowledge All by Yourself 
Text 4 Kinds of Computers 


Unit 3 Computer System 
Text 1 Computer Organization 
Text 2 System Bus 
Text 3 Instruction Cycle 
Text 4 Design Goals of Computer Architecture 


Unit 4 Computer Hardware 
Text 1 CPU 
Text 2 Motherboard 
Text 3 Storage 
Text 4 Printers 


Unit 5 Operating System 
Text 1 What Is an Operating System 
Text 2 Types of Operating Systems 
Text 3 Setting Up Windows 
Text 4 Windows XP 


Unit 6 Computer Virus 
Text 1 Computer Virus 
Text 2 Virus Behavior 
Text 3 How to Protect Your Data 
Text 4 Number of Viruses 


Unit 7 Multimedia 
Text 1 What Is Multimedia? 
Text 2 What Does the Multimedia Actually Mean? 
Text 3 Uses for Multimedia 
Text 4 Multimedia Technology 


Unit 8 Computer Networking 
Text 1 Welcome to the Web 
Text 2 Internet 
Text 3 Hackers Are Enemy Number One on the Internet 
Text 4 Local Area Network 


Unit 9 Computer Software 
Text 1 What Is the Computer Software? 
Text 2 Relationship to Hardware and Data 
Text 3 Categories of Computer Software 
Text 4 Copyright Infringement of Software 


Unit 10 Programming Languages 
Text 1 Computer Languages 
Text 2 Object-Oriented Programming 
Text 3 Assembly Language 
Text 4 High-level Language
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