2.4 常用输入设备 2.5 常用输出设备 2.6 外存储器

西北工业大学计算机系：计算机信息技术（PPT教学课件）

我国软件和信息技术服务业“十二五”发展规划

Transaction Processing System Input Process Output Software Design Systems Development Communication Information

Transaction Processing System Input Process Output Software Design Systems Development Communication Information

Steps Toward Integration Windowing Operating System -OS/2 Presentation Manager Windows -X-Windows (Sun) Transaction Processing Systems Payroll Services Sales Order Processing Systems Process Control Systems Corporate Accounting Systems

Transaction Processing System Input Process Output Systems Development Communication Information

Today's Organization Enterprise-Wide- Development Entity Relationship Diagram General Information Systems Model Object-Oriented- Definition Implementation of Suite Approach Business Iransaction Processing

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