本教程共有16个单元，课文包括了信息技术、计算机网络知识及编程语言、数字通信、光通信等专业知识，阅读材料取材丰富，包括网络通信、网络管理、无线电通信等最新技术。全书课文浅显易懂，语言生动活泼，适合于信息类相关专业的大学生学习。在大力倡导素质教育的今天，该教材正适合各大学分校、独立学院学生及各类工程技术人员学习信息技术专业英语的需要。

本书旨在提高读者阅读理解和翻译专业英语的应用能力和以英语为工具获取交流信息的专业技术。

本书在体例上以单元划分。每个单元都由课文、单词和词组、注释、练习和阅读材料组成。每两个单元之后有一套自我测试题。后面附有课文参考译文。知识覆盖面宽，并注意题材的多样性，通俗易懂，尽量使学生达到学用结合的目的。

本教材适合信息技术各专业及相关的计算机、通信专业以及相近专业的大学本科和高职高专的学生使用。也可供广大工程技术人员学习和参考。

Unit One 

  TEXT The Career of Information Technology Graduates

  Reading Material A The ENIAC

  Reading Material B What Is a Computer?

Unit Two

  TEXT Java Language

  Reading Material A What Is Java?

  Reading Material B Five Phases of Software Development

Test ](ourself 1

Unit Three

  TEXT The Buyer s Guide ( 1 )

  Reading Material A How to Buy a Home Computer ( 1 )

  Reading Material B How to Buy a Home Computer (2)

Unit Four

  TEXT The Buyer' s Guide (2)

  Reading Material A How to Buy a Home Computer (3)

  Reading Material B Computer System

Test Yourself 2

Unit Five

  TEXT Plug and Play

  Reading Material A Introduction to Microsoft Certification Program

Reading Material B Microsoft Certifications

Unit Six

  TEXT Two Main Asynchronous Communication Methods in Cyberspace

  Reading Material A Controversial Visions on Cyberspace

  Reading Material B Two Synchronous Communications Based on Text                              

Test Yourself 3

Unit Seven

  TEXT Newsgroups

  Reading Material A IP Telephony

  Reading Material B FTP

Unit Eight

  TEXT Web' s Next Battle  Instant Messaging

  Reading Material A Instant Messaging Guide

  Reading Material B ICQ

Test Yourself 4

Unit Nine

  TEXT How Computer Viruses Spread

  Reading Material A Types of Computer Viruses Infection

  Reading Material B Trojans and Worms

Unit Ten

  TEXT The Next Net

  Reading Material A The Merging of Man & PC in the 21st Century 

  Reading Material B Net Impact So Far So Good

Test Yourself 5

Unit Eleven 

  TEXT Digital Signal Processors and Its Applications

  Reading Material A Speech Synthesis

 Reading Material B Speech Recognition

Unit Twelve

 TEXT Modern Role of Cryptography

 Reading Material A An Initial Hint on Foundations of Cryptography

 Reading Material B Basis of Information Security More than Computational Intractability

Test Yourself 6

Unit Thirteen

 TEXT Communication Network

 Reading Material A Future Network Architectures and Their Services 

 Reading Material B Key Factors in Communication Network Evolution

Unit Fourteen

 TEXT Signal and System

 Reading Material A Overview of Specific Systems ( 1 )

 Reading Material B Overview of Specific Systems (2)

Test Yourself 7

Unit Fifteen 

 TEXT Introduction to ISDN

 Reading Material A Broadband ISDN

 Reading Material B Network Management

Unit Sixteen

 TEXT Characteristics of Communication Channels

 Reading Material A Modern Means of Communication

 Reading Material B Using a Mouse

  Appendix Ⅰ "An overview of what make up an information system people, procedures, software, hardware, and data. "

  Appendix Ⅱ Vocabulary 

  Appendix Ⅲ Glossary

  Appendix Ⅳ Abbreviations in the TEXT

  Appendix Ⅴ Abbreviations for Network

  Appendix Ⅵ Abbreviations for Electronics and Communications