Presentation1.ppt
- 2. Topics to be covered: •What is information, system? •Components of a system •What is Information Systems, Why Information Systems matter? •Dimensions of Information Systems •Major types of Information Systems in an organization •Challenge of Information Systems
- 3. Information and System •Information can be defined as an organized or processed form of data that conveys some meaning. •System can be defined as a unified group of interrelated or interacting elements that work together to achieve the common goal of an organization. They accept inputs and produce outputs.
- 4. A System has :- Functions or components • Input • Processing • Output • Feedback • Control
- 5. Information Systems An information system can be defined as any organized combination of people, hardware, software, communication networks, and data resources that collects, transforms, and disseminates information in an organization.
- 6. Why Information System? • Capital management • Foundation of doing business • Productivity Increases • Strategic Opportunity & Advantage
- 7. Dimensions of Information Systems • People Resources • Hardware Resources • Software Resources • Data Resources • Network Resources
- 8. People: Specialists-system analysts, developers, operators End users or knowledge workers Hardware: Machines-computer system, peripherals Media-floppy discs, tapes, optical disc Software: Programs-OS, spreadsheet, word processor Procedures-data entry, error checking
- 9. Data: Product descriptions, customer records etc. Network: Communication media, network access Information Products: Management Reports and business documents using text and graphics etc.
- 10. Types Of IS: Information Systems Operations Support System Management Support System
- 11. Operations Support system Transaction processing Systems Process Control Systems Enterprise Collaboration Systems
- 12. • TPS: Record and process data that generates from business transactions • PCS: Monitor and control physical processes • ECS: Enhance team & workgroup communication. E.g Office automation systems
- 14. • MIS: Provide info in the form of reports and displays to managers. • DSS: help the managers in decision making • EIS: Provide critical information from large number of internal & external resources in easy to use format for managers.