Information Systems

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Information Information Systems Systems PRESENTED BY : Arnaud KWETO SUPERVISED BY : Agnieszka STACHOWIAK

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Information Systems. PRESENTED BY : Arnaud KWETO SUPERVISED BY : Agnieszka STACHOWIAK. Agenda. Definitions Types of Information Systems Information Systems Vs. Information Technology Classification of IS Enterprise Resource Planning Information Systems Development IS as Discipline - PowerPoint PPT Presentation

Transcript of Information Systems

Page 1: Information Systems

Information Information SystemsSystems

PRESENTED BY : Arnaud KWETO

SUPERVISED BY : Agnieszka STACHOWIAK

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Definitions

Types of Information Systems

Information Systems Vs. Information Technology

Classification of IS

Enterprise Resource Planning

Information Systems Development

IS as Discipline

Information systems: Opportunities and Challenges

Conclusion

Agenda

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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.

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Data, Information, Data, Information, and Systemsand Systems

Data vs. Information

Data A “given,” or fact; a number, a statement, or a picture Represents something in the real world The raw materials in the production of information

Information Data that have meaning within a context Data in relationships Data after manipulation

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Cont....

Generating Information Computer-based ISs take data as raw material, process it, and produce

information as output.

Figure 1.1 Input-process-output

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Types of Information Systems

1. Informal Information System

2. Formal 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.

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IS Vs. IT

INFORMATION TECHNOLOGYHardwareSoftwareDatabasesNetworksOther relatedcomponents

are used to build

INFORMATION SYSTEMS

Payroll System

Inventory System

Marketing System

Customer Service System

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Classification of ISClassification of IS

Information Systems

Operations Support System

Management Support System

Transaction processing systems

Process control systems

Office automation systems

Management information systems

Decision support systems

Executive information systems

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1. Operations support systems process data generated by business operations

Major categories are:Transaction processing systems Process control systemsOffice automation systems

2. Management Support Systems provide information and support needed for effective decision making by managers

Major categories areManagement Information SystemDecision Support SystemsExecutive Information System

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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.

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Management support systems provide information and support

needed for effective decision making by managers

Major categories are:

i)Management information systems

Routine information for routine decisionsOperational efficiencyUse transaction data as main inputDatabases integrate MIS in different functional areas

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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 systemsprovide critical information tailored to the information needs of executives

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Other categories

a) Expert systems

b) End user computing systems

c) Business information systems

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

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Enterprise Resource Planning (ERP)

Integrated programs that can manage a company’s entire set of business operationsOften coordinate planning, inventory control, production and ordering

Information Systems Development

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IS as Discipline

Information System is an interdisciplinary field influenced by Computer Science, Political Science, Psychology, Operations Research, Linguistics, Sociology, and Organizational Theory.

Some Discipline and principle use IS

Computer science -> Politic science -> pschology -> operations research -> Linguistic -> Sociology -> Organizational theory and Behavior -> ergonomics

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Opportunities

1.Enhanced global competitiveness2.Capture market opportunities3.Support corporate strategy4.Enhance worker productivity5.Improve quality of goods and services

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Conclusion

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

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Thank you for your attention