《科技英语阅读教程 下》

Unit Thirteen144

Text A Computer:Getting Started144

Text B History of Information Age152

Unit Fourteen156

Text A The Processor156

Text B Twenty—first Century Science and Technology164

Unit Fifteen169

Text A Main Memory169

Text B How Computers Are Changing Our World177

Unit Sixteen181

Text A Secondary Storage181

Text B The age of automation190

Unit Seventeen195

Text A Input and Output195

Text B The Social Consequence of Engineering204

Unit Eighteen208

Text A The Operating System208

Text B The Advances in Biomechanics and its Prospect219

Unit Nineteen223

Text A Programming Language223

Text B Crime Busting Computers231

Unit Twenty235

Text A Multimedia Technology235

Text B Machines with and without Freedom244

Unit Twenty-one251

Text A Computer Networks251

Text B Robot261

Unit Twenty-two267

Text A Computer Security267

Text B A Robot about the house277

Unit Twenty-three281

Text A What's an Intranet?281

Text B Office Automation298

Unit Twenty-four293

Text A Modern Cryptography293

Text B Research Report for Business and Technical Writing300