Information Systems Serve 3 Roles IS can support 3 different levels in business.

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Presentation transcript:

Information Systems Serve 3 Roles IS can support 3 different levels in business

Expanding Role of IS Information Systems are being used in more areas, especial at the strategic level. At the same time, Information Systems are expanding participation of End Users (The Grunts) Biggest advantages of IS: Information can flow up the pyramid faster and more effectively.

Types of Information Systems

Transaction Processing System (TPS) Supports Operations Updates Operational Databases Examples: ATM Machine System – Banking Transactions Cash Register System – Point of Sale Transactions Accounting System – Checking Account Transactions Even Pay-per-view or OnDemand is a TPS

Process Control Systems (PCS) Supports Operations Monitor and Control Industrial/Manufacturing Process Examples: Petroleum Refining Power Generation Automobile Manufacturing

Enterprise Collaboration Systems (ECS) Supports Operations (Surprised?) Teamwork, communication, and collaboration Examples: Chat Video Conferencing Calendaring Journaling Workflow File Sharing (Kazaa, Morpheus, Limework, Napster)

Management Information System (MIS) Supports Management (duh?) Analysis & Reporting Charts, Graphs, Summary Tools Examples: SCT Banner – Managing College Information (Siena uses it) Spreadsheet (Excel) – One of the first and most basic Oracle's Corporate Performance Management

Decision Support System (DSS) Support Management What-if Analysis, Decision Modeling, Scenario Building, Highly interactive, ad hoc. Examples Enterprise Decision Manager 2.0 Fair Isaac Corporation AIMMS 3.6 Most DSS’s are custom developed for specific companies; very few out-of-the-box products.

Executive Information Systems (EIS) Supports high-level strategic management Provides critical info from other systems (MIS and DSS). Portal Concept: one place with links to all information EIS’s integrate external information such as economic developments and news about related markets and competitors. Helps strategic decision making, not necessarily tactical. Tactical – doing things the right way right Strategic – doing the right things

Information Flow Executive Information System ExecutivesMISTPS PCS Operational Systems and Staff DSS Managers Enterprise Collaboration System System Information Flow Information Exchange/ Communication

Information Flow Executive Information System Executives MIS TPS PCS Operational Systems and Staff DSS Managers Enterprise Collaboration System Operations Management

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