4.4 因特网

河海大学：《大学计算机信息技术》课程教学资源（PPT课件讲稿）第四章 计算机网络与因特网 4.3 计算机广域网

4.1 网络与通信基础 4.2 计算机局域网

3.4 数字声音及应用 3.5 数字视频及应用

2.4 常用输入设备 2.5 常用输出设备 2.6 外存储器

Transaction Processing System Input Process Output Systems Development Communication Information

TWo Levels of Planning ystems Planning Gives managers, Users, and Information Systems Personnel Projects Establishes what should be done Sets a budget for the total cost of these projects o Systems Project planning Setting a plan for the development of each specific systems project

Chapter 3 Solving Problems The Strategic Management of Information Technology

Transaction Processing System Input Process Output Systems Development Communication Information

Transaction Processing System Input Process Output Systems Development Communication Information