1 Chapter 6 Organizational Information Systems Information Systems Today Leonard Jessup & Joseph Valacich
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3 Chapter 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
4 Decision-Making Levels of an Organization
5 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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7 General Types of Information Systems Transaction Processing Systems (TPSs) Transactions Used at Operational level of the organization Goal: to automate repetitive information processing activities Increase speed Increase accuracy Greater efficiency
8 General Types of Information Systems Transaction Processing Systems (TPSs) Online processing Batch processing Data input Manual data entry Semiautomated data entry Fully automated data entry
9 General Types of Information Systems Transaction Processing Systems (TPSs) Examples: Payroll Sales and ordering Inventory Purchasing, receiving, shipping Accounts payable and receivable
10 General Types of Information Systems Management Information Systems (MISs) Two Types: Management of IS in organizations Specific information systems for mid-level managers Used at managerial level of the organization
11 General Types of Information Systems Management Information Systems Types of reports: Scheduled report Key-indicator report Exception report Drill-down report Ad hoc report
12 General Types of Information Systems Management Information Systems (MISs) Examples: Sales forecasting Financial management and forecasting Manufacturing planning and scheduling Inventory management and planning Advertising and product pricing
13 General Types of Information Systems Executive Information Systems (EISs) Used at executive level of the organization Highly aggregated form Data types Soft data – news and nonanalytical data Hard data – facts and numbers
14 General Types of Information Systems Executive Information Systems (EISs) Examples: Executive-level decision making Long-range and strategic planning Monitoring internal and external events Crisis management Staffing and labor relations
15 Information Systems that Span Organizational Boundaries
16 Information Systems that Span Organizational Boundaries Decision Support Systems (DSSs) Designed to support organizational decision making “What-if” analysis Example of a DSS tool: Microsoft Excel Text and graphs Models for each of the functional areas Accounting, finance, personnel, etc.
17 Information Systems that Span Organizational Boundaries Expert Systems (ESs) Mimics human expertise by manipulating knowledge Rules (If-then) Inferencing
18 Information Systems that Span Organizational Boundaries Office Automation Systems (OASs) Examples: Communicating and scheduling Document preparation Analyzing data Consolidating information
19 Information Systems that Span Organizational Boundaries Collaboration Technologies Virtual teams Videoconferencing Groupware Electronic Meeting Systems (EMSs)
20 Information Systems that Span Organizational Boundaries Functional Area Information Systems Geared toward specific areas in the company: Human Resources Benefits Marketing
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22 Information Systems that Span Organizational Boundaries Global Information Systems International IS Transnational IS Multinational IS Global IS