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Information and the Manager’s Job Data Raw, unsummarized, and unanalyzed facts. Information Data that are organized in a meaningful fashion 18-1 McGraw-Hill/Irwin © 2006 The McGraw-Hill Companies, Inc. All rights reserved. Factors Affecting the Usefulness of Information Figure 18.1 McGraw-Hill/Irwin 18-2 © 2006 The McGraw-Hill Companies, Inc. All rights reserved. What is Information Technology? Information Technology – set of techniques for acquiring, organizing, storing, manipulating, and transmitting information 18-3 McGraw-Hill/Irwin © 2006 The McGraw-Hill Companies, Inc. All rights reserved. What is Information Technology? Management Information System – specific form of IT that managers utilize to generate the specific, detailed information they need to perform their roles effectively 18-4 McGraw-Hill/Irwin © 2006 The McGraw-Hill Companies, Inc. All rights reserved. Information and Control Managers achieve control by: establishing measurable goals, measuring actual performance, compare actual performance with goals, take any corrective action Managers must have information to achieve control over any organizational activity 18-5 McGraw-Hill/Irwin © 2006 The McGraw-Hill Companies, Inc. All rights reserved. Information and Coordination Coordination problems that managers face in managing global supply chains are increasing Managers have adopted sophisticated IT that helps them coordinate the flow of materials, semifinished goods, and finished goods throughout the world 18-6 McGraw-Hill/Irwin © 2006 The McGraw-Hill Companies, Inc. All rights reserved. The Information Technology Revolution The Tumbling Price of Information The cost of computer hardware has dropped dramatically while the power of computers has risen sharply. 18-7 McGraw-Hill/Irwin © 2006 The McGraw-Hill Companies, Inc. All rights reserved. The Information Technology Revolution Computer Networks Networking The exchange of information through a group or network of interlinked computers Servers are powerful computers that relay information to client computers connected on a Local Area Network (LAN). Mainframes are large computers processing vast amounts of information . The Internet is a world wide network of computers. 18-8 McGraw-Hill/Irwin © 2006 The McGraw-Hill Companies, Inc. All rights reserved. Software Developments system software – software that tells computer hardware how to run Applications software – software designed for a specific task or use Artificial intelligence – behavior performed by a machine that, if performed by a human being, would be called intelligent Operating 18-9 McGraw-Hill/Irwin © 2006 The McGraw-Hill Companies, Inc. All rights reserved. Types of Information Systems Transaction Systems designed to handle large volumes of routine transactions. Were the first computer-based information systems handling billing, payroll, and supplier payments. Operations Processing Systems (TPS) Information Systems (OIS) Systems that gather, organize, and summarize comprehensive data in a form of value to managers. Can help managers with non-routine decisions such as customer service and productivity. 18-10 McGraw-Hill/Irwin © 2006 The McGraw-Hill Companies, Inc. All rights reserved. Types of Information Systems Decision Support Systems (DSS) Provide interactive models to help managers make non-routine decisions. Executive Support System (ESS) Analyzes investment potential, new product pricing. Sophisticated version of a DSS matched a top manager’s needs. Group Decision Support System An executive support system that links top managers so that they can function as a team. 18-11 McGraw-Hill/Irwin © 2006 The McGraw-Hill Companies, Inc. All rights reserved. Types of Information Systems Expert Systems and Artificial Intelligence Employ human knowledge embedded in a computer to solve problems usually requiring human expertise. Uses artificial Intelligence to recognize, formulate, solve problems, and learn from experience. 18-12 McGraw-Hill/Irwin © 2006 The McGraw-Hill Companies, Inc. All rights reserved. Types of Information Systems Enterprise Resource Planning Systems – multi-module application software packages that coordinate the functional activities necessary to move products from the product design stage to the final customer stage 18-13 McGraw-Hill/Irwin © 2006 The McGraw-Hill Companies, Inc. All rights reserved. Types of Information Systems E-Commerce Systems – Trade that takes place between companies, and between companies and individual customers, using IT and the Internet 18-14 McGraw-Hill/Irwin © 2006 The McGraw-Hill Companies, Inc. All rights reserved. Types of E-Commerce (B2B) – trade that takes place between companies using IT and the Internet to link and coordinate the value chains of different companies B2B marketplace – Internet-based trading platform set up to connect buyers and sellers in an industry Business-to-business 18-15 McGraw-Hill/Irwin © 2006 The McGraw-Hill Companies, Inc. All rights reserved. Types of E-Commerce Business-to-customer (B2C) – trade that takes place between a company and individual customers using IT and the Internet 18-16 McGraw-Hill/Irwin © 2006 The McGraw-Hill Companies, Inc. All rights reserved. How Computer-Based Information Systems Affect the Organizational Hierarchy Figure 18.5 McGraw-Hill/Irwin 18-17 © 2006 The McGraw-Hill Companies, Inc. All rights reserved.