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2-1 Information Technologies Concepts and Management.

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2 2-1 Information Technologies Concepts and Management

3 2-2 Information Systems: Concepts and Definitions Data Information Knowledge

4 2-3 Classification of Information Systems Organizational structure Functional area Support provided System architecture

5 2-4 Organizational Structure Department information systems Enterprise information systems Interorganizational systems

6 2-5 Functional Area Information System Accounting Finance Manufacturing Marketing Human resources

7 2-6 Support Provided Transaction Processing System (TPS) Management Information System (MIS) Office Automation System (OAS) Decision Support System (DSS) Executive Information System (EIS) Group Support System (GSS) Intelligent Support System

8 2-7 System Architecture Information Architecture and Information Infrastructure Mainframe Standalone PC Networked computing system

9 2-8 Transactional Processing: Supports the monitoring, collection, storage, processing, and dissemination of the organization’s basic business transactions. Functional Management Information Systems: Systems designed to support the activities of a functional area. These systems range from the repetitive to ad hoc.

10 2-9 Operational, Managerial and Strategic Systems Classification by the activity supported Relationship between people and IS

11 2-10 Classification by the Activity Supported Operational systems Managerial systems Strategic systems

12 2-11 Relationship Between People and Information Systems Knowledge workers –Create information and knowledge Data workers –Use, manipulate, or disseminate information

13 2-12 Information Infrastructure and Information Architecture Infrastructure Architecture New architectures

14 2-13 Information Infrastructure and Architecture Information Infrastructure: consists of the physical facilities, services, and management that support all computing resources in an organization. Information Architecture: is a high-level map or plan of the information requirements of the organization in an organization.

15 2-14 Information Architecture Information architecture model Types of information architecture

16 2-15 Information Architecture Model Information Architecture: a conceptual framework for the organizational IT infrastructure. It is a plan for the structure and integration of the information resources in the organization.

17 2-16 Information Architecture Types Mainframe environment PC environment Networked (distributed) environment –Enterprisewide system

18 2-17 New Architectures Client/server Enterprisewide computing Intranets Internet Extranets

19 2-18 Managing Information Resources Which resources are managed by whom? What is the role of the Information Systems Department (ISD)? Managing relationships with end users Managerial issues

20 2-19 Which Resources Are Managed by Whom? Hardware Software Databases Networks Procedures Security

21 2-20 Role of the IS Department

22 2-21 Managing Relationships with End Users Steering committee Joint ISD/end users project teams ISD representation on top corporate executive committee Service agreements Technical and administrative support Conflict resolution unit

23 2-22 Managerial Issues Transition to networked computing From legacy systems to client/server systems How much infrastructure? The role of ISD

24 2-23 Copyright  1999 John Wiley & Sons, Incorporated. All rights reserved. Reproduction or translation of this work beyond that permitted in Section 117 of the 1976 United States Copyright Act without the express written permission of the copyright owner in unlawful. Request for further information should be addressed to the Permissions Department, John Wiley & Son, Inc. Adopters of the textbook are granted permission to make back-up copies for his/her own use only, to make copies for distribution to student of the course the textbook is used in, and to modify this material to best suit their instructional needs. Under no circumstances can copies be made for resale. The publisher assumes no responsibility for errors, omissions, or damages, caused by the use of these programs or from the use of the information contained herein.

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