Unit 1 How PCs Work Unit 2 AMD Ignites the New Year with Performance Unit 3 Notebook PC Unit 4 How C Programming Works Unit 5 Computer Languages and Compilers Unit 6 A Brief History of OS Unit 7 Pascal Language Unit 8 Keep Your PC Safe Unit 9 Network Device Unit 10 What Is XML Unit 11 What to do during OOA Unit 12 UML 附录1 习题参考答案 附录2 参考试卷及答案 参考文献