《信息技术战略管理》Chapter 7 Integration of Information

Chapter 7 ntegration of Information The Strategic Management of Information echnology

Chapter 7 Integration of Information The Strategic Management of Information Technology

Transaction Processing System Input Process Output Communication Information

Transaction Processing System Input Process Output Information Communication

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

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

Steps Toward Integration Multi-Tasking Allow Users to run different programs at the same time Windows OS/2(Presentation Manager XWindows Networks Enable Dynamic Integration from Several Sources

Steps Toward Integration Multi-Tasking – Allow Users to run different programs at the same time – Windows – OS/2 (Presentation Manager) – XWindows Networks – Enable Dynamic Integration from Several Sources

Integration Vertical Different Levels of production ex: Oil Company Horizontal Retail Stores ex Wal-Mart

Integration Vertical – Different Levels of Production – ex: Oil Company Horizontal – Retail Stores – ex:Wal-Mart

Object-Orientation Different than transmitting raw bits of data Hardware Connections Access Controls Simple Data Formats Software Agents object-oriented programs written to perform specific tasks in response to user requests agents know how to exchange object attributes agents have the ability to activate object functions in other agents Multimedia Integration of Text, Video, Sound, Pictures Animation

Object-Orientation Different than Transmitting Raw Bits of Data – Hardware Connections – Access Controls – Simple Data Formats Software Agents – object-oriented programs written to perform specific tasks in response to user requests – agents know how to exchange object attributes – agents have the ability to activate object functions in other agents Multimedia – Integration of Text, Video, Sound, Pictures, Animation

Integration/Links Static Hard-Coded Import Dynamic Linked Dynamic Data EXchange(DDE) Hot-Linked Object-Linking and Embedding(OLE) Original Software Package Automatically started when chosen

Integration/Links Static – Hard-Coded – Import Dynamic – Linked – Dynamic Data Exchange (DDE) – Hot-Linked – Object-Linking and Embedding (OLE) Original Software Package Automatically started when chosen

Systems Project Proposals Feasibility Factors Technical Economic Legal Operational Schedule Strategic Factors Productivity Differentiation Management

Systems Project Proposals Feasibility Factors – Technical – Economic – Legal – Operational – Schedule Strategic Factors – Productivity – Differentiation – Management

Systems Plan Business plan Document Company's Goals and Objectives Align Systems Project with Companys Business plan Enterprise-Wide Model Entity Relationship Diagram showing relationship between organizations entities and their relationship to supporting strategies of Business Plan View of Future Organization of Enterprise under a Business plan

Systems Plan Business Plan – Document Company’s Goals and Objectives – Align Systems Project with Company’s Business Plan Enterprise-Wide Model – Entity Relationship Diagram showing relationship between organization’s entities and their relationship to supporting strategies of Business Plan – View of Future Organization of Enterprise under a Business Plan

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

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