Unit 1 Access to Computers 1
Part Ⅰ Dialogue 2
Part Ⅱ TEXT A:Computer in Our Lives 2
Part Ⅲ TEXTB:Networks and the Internet 8
Part Ⅳ EXERCISES 14
Unit 2 Starting A Computer 18
Part Ⅰ Dialogue 19
Part Ⅱ TEXT A:Using the Windows Operating System(A) 19
Part Ⅲ TEXTB:Using the Windows Operating System(B) 28
Part Ⅳ EXERCISES 34
Unit 3 E-mail and Downloading 37
Part Ⅰ Dialogue 38
Part Ⅱ TEXT A:E-MAIL 39
Part Ⅲ TEXT B:Downloading 44
Part Ⅳ EXERCISES 47
Unit 4 Using the Internet and World Wide Web 50
Part Ⅰ Dialogue 51
Part Ⅱ TEXT A:introduction of the Internet and World Wide Web 52
Part Ⅲ TEXTB:How to Surf the Web 56
Part Ⅳ EXERCISES 61
Unit 5 Hardware—Elementary Knowledge 64
Part Ⅰ Dialogue 65
Part Ⅱ TEXT A:Digital Data Representation and the Binary Numbering System 66
Part Ⅲ TEXTB:Inside the System Unit 69
Part Ⅳ EXERCISES 75
Unit 6 Hardware—Storage 79
Part Ⅰ Dialogue 80
Part Ⅱ TEXTA:Properties of Storage Systems 81
Part Ⅲ TEXT B:Hard Disks,Optical Discs and Flash Memory Devices 88
Part Ⅳ EXERCISES 96
Unit 7 Hardware—Input and Output 99
Part Ⅰ Dialogue 100
Part Ⅱ TEXTA:What Are Input and Output 101
Part Ⅲ TEXT B:Multimedia Input Devices 107
Part Ⅳ EXERCISES 111
Unit 8 Software—Systems Software 114
Part Ⅰ Dialogue 115
Part Ⅱ TEXT A:Windows 116
Part Ⅲ TEXTB:Other Operating Systems 121
Part Ⅳ EXERCISES 125
Unit 9 Software—Application Software 128
Part Ⅰ Dialogue 129
Part Ⅱ TEXT A:What is Application Software 130
Part Ⅲ TEXT B:Word Processing Software 135
Part Ⅳ EXERCISES 139
Unit 10 Networks 142
Part Ⅰ Dialogue 143
Part Ⅱ TEXTA:What is Network 144
Part Ⅲ TEXTB:How Networks work 149
Part Ⅳ EXERCISES 158
Unit 11 The Internet and World Wide Web 162
Part Ⅰ Dialogue 163
Part Ⅱ TEXT A:Internet Connectivity Issues 164
Part Ⅲ TEXTB:Searching the Internet 167
Part Ⅳ TEXT C:Online Shopping,TV,Movies and Music 171
Part Ⅴ EXERCISES 174
Unit 12 E-Business and E-Commerce 178
Part Ⅰ Dialogue 179
Part Ⅱ TEXTA:What is E-business and E-commerce 180
Part Ⅲ TEXT B:E-business Applications 184
Part Ⅳ EXERCISES 188
Unit 13 Database—Elementary Knowledge 191
Part Ⅰ Dialogue 192
Part Ⅱ TEXTA:What is Database 193
Part Ⅲ TEXTB:Data Concepts and Characteristics 196
Part Ⅳ EXERCISES 200
Unit 14 Database—Applications 202
Part Ⅰ Dialogue 203
Part Ⅱ TEXT A:Database Models 204
Part Ⅲ TEXTB:Databases and the Web 209
Part Ⅳ EXERCISES 213
Unit 15 Social Issues 216
Part Ⅰ Dialogue 217
Part Ⅱ TEXTA:Computer Crime 218
Part Ⅲ TEXT B:Computer Security 223
Part Ⅳ TEXTC:Computers and Privacy 228
Part Ⅴ EXERCISES 231
单元1 走进计算机的世界 235
课文A 生活中的计算机 235
课文B 网络与因特网 236
单元2 计算机入门 239
课文A 使用Windows操作系统(A) 239
课文B 使用Windows操作系统(B) 241
单元3 电子邮件与文件下载 244
课文A 电子邮件 244
课文B 文件下载 245
单元4 使用因特网和万维网 247
课文A 因特网和万维网介绍 247
课文B 如何上网 248
单元5 硬件基础知识 250
课文A 数据、程序的表现方式和 250
二进制编码系统 250
课文B 机箱内部 251
单元6 硬件的存储系统 253
课文A 存储系统特性 253
课文B 硬盘、光盘及闪存设备 255
单元7 输入/输出设备 258
课文A 输入与输出设备 258
课文B 多媒体输入设备 259
单元8 系统软件 261
课文A 视窗操作系统 261
课文B 其他操作系统 262
单元9 应用软件 265
课文A 应用软件 265
课文B 文字处理软件 266
单元10 网络 268
课文A 网络介绍 268
课文B 网络工作原理 269
单元11 因特网与万维网 273
课文A 网络的连接 273
课文B 网上查询 274
课文C 网上购物 275
单元12 电子商务和电子交易 277
课文A 何为电子商务和电子交易 277
课文B 电子商务的应用 278
单元13 数据库基础知识 280
课文A 数据库介绍 280
课文B 数据概念和特性 281
单元14 数据库的应用 283
课文A 数据库模型 283
课文B 数据库和网络 284
单元15 有关计算机的社会问题 286
课文A 计算机犯罪 286
课文B 计算机安全 288
课文C 计算机与隐私 289
参考答案 292
参考文献 293