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
