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Unit 1 Computer Science 1

Unit 2 Computer Architecture 11

Unit 3 Computer Hardware 17

Unit 4 Central Processing Unit 22

Unit 5 Computer Program 28

Unit 6 Supercomputer 37

Unit 7 Neural Network 43

Unit 8 Network 51

Unit 9 Internet 57

Unit 10 World Wide Web 67

Unit 11 Promise and Peril in Cyberspace 75

Unit 12 Communication 94

Unit 13 Telecommunications 122

Unit 14 A Revolution in Electronics 139

Unit 15 Television 149

Unit 16 Telephone 167

Unit 17 New Satellites for Personal Communications 188

Unit 18 Radar 204

Unit 19 Robot 224

Unit 20 Information Theory 230

Unit 21 Space Exploration 234

Unit 22 Space Travel 271

Unit 23 Exobiology 293

Unit 24 Spacelab 301

Unit 25 Letter Home from Mir 305

Unit 26 The Moon 314

Unit 27 Apollo Program 321

Unit 28 Hubble Space Telescope 335

Unit 29 Radio Astronomy 345

Unit 30 Planetary Science 355

Unit 31 The Mars 373

Unit 32 Mars Surveyor 384

Unit 33 Sojourn to Mars 403

Unit 34 Jupiter 414