chapter 6 organizational information systems
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Chapter 6 Organizational Information Systems. Information Systems Today. Chapter 6 Objectives. Understand characteristics of operational, managerial, and executive information systems - PowerPoint PPT PresentationTRANSCRIPT
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Chapter 6Chapter 6
OrganizationalOrganizationalInformation SystemsInformation Systems
Information Systems Today
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Chapter 6 ObjectivesChapter 6 Objectives
Understand characteristics of operational, managerial, and executive information systems
Understand characteristics of transaction processing systems, management information systems, and executive information systems
Understand characteristics of information systems that span organizational boundaries
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Decision-Making Levels of an OrganizationDecision-Making Levels of an Organization
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Decision-Making Levels of an OrganizationDecision-Making Levels of an Organization
Executive level (top) Long-term decisions Unstructured decisions
Managerial level (middle) Decisions covering weeks and months Semistructured decisions
Operational level (bottom) Day-to-day decisions Structured decisions
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Monitor elementary activities and daily transactions of the organization
support the monitoring, controlling, decision-making and administrative activities of middle managers
support the long-range planning activities of senior management
Operational-level system
Management-level system
Strategic-level system
Different Kinds of Systems
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Four major Types of systemsFour major Types of systems
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INFO SYSTEMS, LEVELS, DECISIONS
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1. 1. Transaction Processing System Transaction Processing System (TPS)(TPS)
Computerized systems that perform and record the daily Computerized systems that perform and record the daily routine transactionsroutine transactions
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Goal to automate repetitive information processing activities
Increase speed Increase accuracy Greater efficiency
……TPSTPS
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Source documents can be processed: As they are created Online processing Or, in batches Batch processing:
Information can be entered into TPS as: Manual data entry: by a person Semi-automated data entry: person will entered,
whereas the system will scanned check out the information, then continue the process automatically
Fully automated data entry: doesn’t require any human intervention
……TPSTPS
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Payroll Sales and ordering Inventory Purchasing, receiving, shipping Accounts payable and receivable
Examples of TPSExamples of TPS
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2. Management Information System (MIS)2. Management Information System (MIS)
• It serves functions of planning, controlling and decision making by providing routine summary and exception reports
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Scheduled report Key-indicator report Exception report Drill-down report Ad hoc report
……MIS ReportsMIS Reports
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Typical MISTypical MIS
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Simple Report Produced by MISSimple Report Produced by MIS
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3. Executive Support Systems (ESS)3. Executive Support Systems (ESS)
• Information System at the organization’s strategic level designed to address unstructured decision making through advanced graphics and communications
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Typical ESSTypical ESS
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Executive-level decision making Long-range and strategic planning Monitoring internal and external events Crisis management Staffing and labor relations
……EIS examplesEIS examples
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Information Systems that Span Information Systems that Span Organizational BoundariesOrganizational Boundaries
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4. Decision Support System (DSS)4. Decision Support System (DSS) Information System that Serves management level of the
organization Combines data and sophisticated analytical models or data analysis
tools to support semi-structured and unstructured decision making It is user-friendly, so the user can change assumptions, ask new
question and include new data
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Typical DSSTypical DSS
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Designed to support organizational decision making
“What-if” analysisExample of a DSS tool: Microsoft
ExcelText and graphs
Models for each of the functional areasAccounting, finance, personnel, etc.
……DSSDSS
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Mimics human expertise by manipulating knowledge
Rules (If-then) Inferencing
Expert systemsExpert systems
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Communicating and scheduling Document preparation Analyzing data Consolidating information
Office Automation SystemsOffice Automation SystemsOASOAS
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Virtual teams Videoconferencing Groupware Electronic Meeting Systems (EMSs)
Collaborative TechnologiesCollaborative Technologies
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Geared toward specific areas in the company: Human Resources Benefits Marketing
Functional Area ISFunctional Area IS
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International ISTransnational ISMultinational ISGlobal IS
Global ISGlobal IS