Presented by: Muhammad Ajmal Khan

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Presentation transcript:

Presented by: Muhammad Ajmal Khan Information Systems Presented by: Muhammad Ajmal Khan MPhil 0504 Deptt. of Library and Information Science, University of the Punjab, Lahore

Outline Definitions Types of Information Systems Information Systems Vs Information Technology Expanding Roles of IS Classification of IS Enterprise Resource Planning Information Systems Development IS as Discipline Information systems: Opportunities and Challenges Conclusion

Definitions Data Raw facts such as an employee’s name and number of hours worked in a week, inventory part numbers or sales orders. Information A collection of facts organized in such a way that they have additional value beyond the value of the facts themselves. Information Data $35,000 12 Units $12,000 J. Jones Western Region $100,000 100 Units 35 Units Salesperson: J. Jones Sales Territory: Western Region Current Sales: 147 Units = $147,000 Data Processing

Definitions Information Systems An information system(IS) is typically considered to be a set of interrelated elements or components that collect(input), manipulate(processes), and disseminate (output) data and information and provide a feedback mechanism to meet an objective. Open System Close System

Types of Information Systems Informal Information System Formal Information System

Computer-based Information System An Information System is an organized combination of people, hardware, software, communication networks and the data resources that collects, transforms and disseminates information in a organization.

IS Vs IT Payroll System INFORMATION TECHNOLOGY Hardware Software Databases Networks Other related components Inventory System are used to build INFORMATION SYSTEMS Marketing System Customer Service System

Expanding Roles of IS Data Processing: 1950s-1960s Management Reporting: 1960s-1970s Decision support: 1970s-1980s Strategic and End User Support: 1980s-1990s Global Internetworking: 1990s-2000s

Classification of IS Information Systems Operations Support System Management Support System Transaction processing systems Office automation systems Decision support systems Executive information systems Management information systems Process control systems

1. Operations support systems process data generated by business operations Major categories are: i) Transaction processing systems ii) Process control systems iii) Office automation systems 2. Management Support Systems provide information and support needed for effective decision making by managers Major categories are Management Information System Decision Support Systems Executive Information System

Operations Support System i) Transaction processing systems Process business exchanges Maintain records about the exchanges Handle routine, yet critical, tasks Perform simple calculations ii) Process control systems monitor and control industrial processes. iii) Office automation systems automate office procedures and enhance office communications and productivity.

2. Management support systems provide information and support needed for effective decision making by managers Major categories are: Management information systems Routine information for routine decisions Operational efficiency Use transaction data as main input Databases integrate MIS in different functional areas

Interactive support for non-routine decisions or problems ii) Decision Support System Interactive support for non-routine decisions or problems End-users are more involved in creating a DSS than an MIS iii) Executive information systems provide critical information tailored to the information needs of executives

Other categories Expert systems End user computing systems Business information systems d) Strategic information systems a) Expert Systems are knowledge-based systems that provides expert advice and act as expert consultants to the users b) End user computing systems support the direct, hands on use of computers by end users for operational and managerial applications c) Business information systems support the operational and managerial applications of the basic business functions of a firm d) Strategic information systems provide a firm which strategic products, services, and capabilities for competitive advantage

Enterprise Resource Planning (ERP) Integrated programs that can manage a company’s entire set of business operations Often coordinate planning, inventory control, production and ordering

Information Systems Development

IS as Discipline IS is an interdisciplinary field influenced by Computer Science, Political Science, Psychology, Operations Research, Linguistics, Sociology, and Organizational Theory.

Challenges Workforce downsizing Information overload Employee mistrust Difficult to built Security breaches

Opportunities Enhanced global competitiveness Capture market opportunities Support corporate strategy Enhance worker productivity Improve quality of goods and services

Conclusion Information Systems are indispensable to the business, industry, academia and any organization to meet the future challenges