Part One Hardware 1
Unit 1 Elementary Knowledge 3
Unit 2 Secondary Storage 23
Unit 3 Input Device 38
Unit 4 Output Device 52
Part Two Software 65
Unit 5 Application Software 67
Unit 6 System Software 99
Part Three Network Application 109
Unit 7 The Internet and the Web 111
Unit 8 Connectivity 118
Unit 9 How to Surf the Web 125
Unit 10 Communicating Tools 129
Unit 11 Electronic Commerce 139
Unit 12 Hidden Trouble of the Internet 146