出版说明 前言 LESSON 1 The Importance of English LESSON 2 What is Electricity? LESSON 3 Sources of Electricity and Electric Circuit LESSON 4 Some Laws and Formulas about Circuit LESSON 5 Alternating Current LESSON 6 Color Television LESSON 7 Series-Parallel Resistor Circuits LESSON 8 Measuring Voltages with Oscilloscopes LESSON 9 Modulators and Demodulators LESSON 10 Optical Communication LESSON 11 Fundamental Computer Knowledge LESSON 12 Software and Hardware LESSON 13 The Operating System LESSON 14 Multimedia Technology LESSON 15 Computer Viruses LESSON 16 Computers Impact On Society LESSON 17 Integrated Circuit LESSON 18 Transistor Theory LESSON 19 Field-Effect Transistors LESSON 20 Basic Planar Process 部分参考答案和课文译文 参考文献