Information system


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Information system

  1. 1. Information SystemsInformation SystemsPresented by:Rana RatnakarMBA (Marketing)Rishikesh
  2. 2. OutlineOutlineDefinitionsTypes of Information SystemsInformation Systems Vs Information TechnologyExpanding Roles of ISClassification of ISEnterprise Resource PlanningInformation Systems DevelopmentIS as DisciplineInformation systems: Opportunities and ChallengesConclusion
  3. 3. DefinitionsDefinitionsDataRaw facts such as an employee’s name and number ofhours worked in a week, inventory part numbers or salesorders.InformationA collection of facts organized in such a way that theyhave additional value beyond the value of the factsthemselves.DataInformation$35,000 12 Units$12,000 J. JonesWestern Region$100,000 100 Units35 UnitsDataProcessingSalesperson: J. JonesSales Territory:Western RegionCurrent Sales: 147Units = $147,000
  4. 4. Information SystemsAn information system(IS) is typically considered to be a set ofinterrelated elements or components that collect(input),manipulate(processes), and disseminate (output) data andinformation and provide a feedback mechanism to meet anobjective.Open SystemClose SystemDefinitions
  5. 5. Types of Information SystemsTypes of Information Systems1. Informal Information System2. Formal Information System
  6. 6. An Information System is an organized combination of people,hardware, software, communication networks and the data resources thatcollects, transforms and disseminates information in a organization.Computer-based Information System
  7. 7. INFORMATIONTECHNOLOGYHardwareSoftwareDatabasesNetworksOther relatedcomponentsare used to buildINFORMATIONSYSTEMSPayrollSystemInventorySystemMarketingSystemCustomerServiceSystemIS Vs ITIS Vs IT
  8. 8. Expanding Roles of ISExpanding Roles of IS1. Data Processing: 1950s-1960s2. Management Reporting: 1960s-1970s3. Decision support: 1970s-1980s4. Strategic and End User Support: 1980s-1990s5. Global Internetworking: 1990s-2000s
  9. 9. Classification of ISClassification of ISInformation SystemsOperationsSupport SystemManagementSupport SystemTransactionprocessingsystemsProcess controlsystemsOfficeautomationsystemsManagementinformationsystemsDecisionsupportsystemsExecutiveinformationsystems
  10. 10. 1. Operations support systems process data generated by businessoperationsMajor categories are:i) Transaction processing systemsii) Process control systemsiii) Office automation systems2. Management Support Systems provide information andsupport needed for effective decision making by managersMajor categories arei) Management Information Systemii) Decision Support Systemsiii) Executive Information System
  11. 11. 1. Operations Support Systemi) Transaction processing systems• Process business exchanges• Maintain records about the exchanges• Handle routine, yet critical, tasks• Perform simple calculationsii) Process control systems monitor and control industrialprocesses.iii) Office automation systems automate office procedures andenhance office communications and productivity.
  12. 12. 2. Management support systems provide information and supportneeded for effective decision making by managersMajor categories are:i) Management information systems Routine information for routine decisions Operational efficiency Use transaction data as main input Databases integrate MIS in different functional areas
  13. 13. ii) Decision Support System• Interactive support for non-routine decisions or problems• End-users are more involved in creating a DSS than an MISiii) Executive information systemsprovide critical information tailored to the information needs ofexecutives
  14. 14. Other categoriesa) Expert systemsb) End user computing systemsc) Business information systemsd) Strategic information systemsa) Expert Systems are knowledge-based systems that providesexpert advice and act as expert consultants to the usersb) End user computing systems support the direct, hands on use ofcomputers by end users for operational and managerialapplicationsc) Business information systems support the operational andmanagerial applications of the basic business functions of a firmd) Strategic information systems provide a firm which strategicproducts, services, and capabilities for competitive advantage
  15. 15. Enterprise Resource PlanningEnterprise Resource Planning(ERP)(ERP)Integrated programs that can manage acompany’s entire set of business operationsOften coordinate planning, inventorycontrol, production and ordering
  16. 16. Information Systems DevelopmentInformation Systems Development
  17. 17. IS as DisciplineIS as DisciplineIS is an interdisciplinary field influenced by Computer Science,Political Science, Psychology, Operations Research, Linguistics,Sociology, and Organizational Theory.
  18. 18. ChallengesChallenges1. Workforce downsizing2. Information overload3. Employee mistrust4. Difficult to built5. Security breaches
  19. 19. OpportunitiesOpportunities1. Enhanced global competitiveness2. Capture market opportunities3. Support corporate strategy4. Enhance worker productivity5. Improve quality of goods and services
  20. 20. ConclusionConclusionInformation Systems are indispensable to the business,industry, academia and any organization to meet the futurechallenges