Unit One
  Text A　The Electronic Computers
  Text B　The Development of Computer Technology
   New Words
   Phrases and Expressions
   Mini-Dictionary
   Notes to the Text
   Exercises
  Grammar　Passive Voice
  Exercises to the Grammar
  Extensive Reading　Software
 Unit Two
  Text A　Microcomputers
  Text B　Introduction to CPU
   New Words
   Phrases and Expressions
   Mini-Dictionary
   Notes to the Text
   Exercises
  Grammar　Attributive Clause
  Exercises to the Grammar
  Extensive Reading　The Local Loop
 Unit Three
  Text A　Input-Output Processor(IOP)
  Text B　Main Memory
   New Words
   Phrases and Expressions
   Mini-Dictionary
   Notes to the Text
   Exercises
  Grammar　Infinitive
  Exercises to the Grammar
  Extensive Reading　Input-Output Interface
 Unit Four
  Text A　Fiber Optic Networks
  Text B　Summary of Operating System
   New Words
   Phrases and Expressions
   Mini-Dictionary
   Notes to the Text
   Exercises
  Grammar　Gerund
  Exercises to the Grammar
  Extensive Reading　The Structure and Operation of A Computer
 Unit Five
  Text A　Network Hardware
  Text B　Internetworks
   New Words
   Phrases and Expressions
   Mini-Dictionary
   Notes to the Text
   Exercises
  Grammar　Participle
  Exercises to the Grammar
  Extensive Reading　Computer Networks
 Unit Six
  Text A　ISDN Services and Its System Architecture
  Text B　Reading E-mail
   New Words
   Phrases and Expressions
   Mini-Dictionary
   Notes to the Text
   Exercises
  Grammar　Inversion
  Exercises to the Grammar
  Extensive Reading　E-mail
 Unit Seven
  Text A　What is Multimedia?
  Text B　The Superhighway
   New Words
   Phrases and Expressions
   Mini-Dictionary
   Notes to the Text
   Exercises
  Grammar　The Usage of It
  Exercises to the Grammar
  Extensive Reading　Introduction to Neural Computation
 Unit Eight
  Text A　Network Security
  Text B　Office Automation
   New Words
   Phrases and Expressions
   Mini-Dictionary
   Notes to the Text
   Exercises
  Grammar　Analysis of Long Sentences
  Exercises to the Grammar
  Extensive Reading　Attributes of Data Control
 Appendix
  Common Screen English of Computer
  Common Acronyms and Abbreviations of Computer
  Glossary of Intensive Reading
  List of Phrases and Expressions
 课文译文