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Chapter 2

Chapter 2 - Information Systems: Concept and Managements

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York University
Administrative Studies
ADMS 2511
Cristobal Sanchez- Rodriguez

Chapter 2September2308506 PM Information Systems Concept and Managements p 30 21 Types of Information SystemsComputerBased Information SystemsComputerBased Information Systems CBIS is an information system that uses computer technology to perform some or all of its intended tasksBasic ComponentsHardware is a device such as a processor monitor keyboard and printer Together these devises accept data and information process them and display themSoftware is a program or collection of programs that enables the hardware to process dataDatabase is a collection of related files or tables containing dataNetwork is a connecting system wireless or wireline that permits different computers to share resourcesProcedures are the set of instructions about how to combine the above componentsPeople are those individuals who ise the hardware and software interface with it or use its outputApplication ProgramsApplication Program is a computer program designed to support a specific task or business processThe collection of application programs in a single department is usually referred to as a departmental information systemBreadth of Support of Information SystemsFunctional area information systems information system designed to summarize data and prepare reports for a functional area such as accounting or marketingJust below the functional area IS are two information systems that support the entire organization enterprise resource planning and transaction processing system Enterprise resource planning ERP systems are designed to correct a lack of communication among the functional area IssERP tightly integrates the functional area ISs via a common databaseTransaction Processing System TPS supports the monitoring collection storage and processing of data from the organizations basic business transactions each of which generate dataCritical because they support core operationsInterorganizational Information Systems IOSs an information system that connect two or more organizationsSupply chain descries the flow of materials information money and services from suppliers of raw material through factories and warehouses to the end customerElectronic commerce systems are another type of interorganizational information system Enables organizations to conduct transactions called businesstobusiness B2B electronic commerce and customers to conduct transactions with businesses called businesstocustomers B2C Typically internet basedSupport for Organizational Employees
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