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Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
Types of information systems
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Types of information systems

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  • A Business Information System generally refers to any type of computer system , typically offering high quality service. It is grappling with large volumes of data and is able to support any large organization , ie adapting to the needs of the company. http://information--systems.blogspot.com/
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  • 1. 2.1 2. THE STRATEGIC ROLE OF INFORMATION SYSTEMS
  • 2. LEARNING OBJECTIVES <ul><li>ANALYZE ROLES OF 6 TYPES OF INFORMATION SYSTEMS </li></ul><ul><li>DESCRIBE RELATIONSHIPS AMONG INFORMATION SYSTEMS </li></ul><ul><li>* </li></ul>2.2
  • 3. TYPES OF INFORMATION SYSTEMS 2.5 DATA WORKERS KIND OF SYSTEM GROUPS SERVED STRATEGIC LEVEL SENIOR MANAGERS MANAGEMENT LEVEL MIDDLE MANAGERS OPERATIONAL OPERATIONAL LEVEL MANAGERS KNOWLEDGE LEVEL KNOWLEDGE & SALES & MANUFACTURING FINANCE ACCOUNTING HUMAN RESOURCES MARKETING
  • 4. MAJOR TYPES OF SYSTEMS <ul><li>EXECUTIVE SUPPORT SYSTEMS (ESS) </li></ul><ul><li>MANAGEMENT INFORMATION SYSTEMS (MIS) </li></ul><ul><li>DECISION SUPPORT SYSTEMS (DSS) </li></ul><ul><li>KNOWLEDGE WORK SYSTEMS (KWS) </li></ul><ul><li>OFFICE AUTOMATION SYSTEMS (OAS) </li></ul><ul><li>TRANSACTION PROCESSING SYSTEMS (TPS) </li></ul><ul><li>* </li></ul>2.6
  • 5. <ul><li>OPERATIONAL LEVEL </li></ul><ul><li>INPUTS: TRANSACTIONS, EVENTS </li></ul><ul><li>PROCESSING: UPDATING </li></ul><ul><li>OUTPUTS: DETAILED REPORTS </li></ul><ul><li>USERS: OPERATIVE PERSONNEL </li></ul><ul><li>EXAMPLE: ACCOUNTS PAYABLE </li></ul>TRANSACTION PROCESSING SYSTEMS (TPS) TPS 2.7
  • 6. <ul><li>Mapa Básico de Sistemas </li></ul><ul><li>Transaccionales de una Organización: </li></ul><ul><li>CONT. - AP - AR - TR - COMPRAS - </li></ul><ul><li>MANUF. - VTAS y DIST - INVENTARIO </li></ul><ul><li>ÉSTO NO ESTÁ EN EL LIBRO </li></ul>TRANSACTION PROCESSING SYSTEMS (TPS) TPS 2.7
  • 7. TYPICAL TPS APPLICATIONS Sales & Marketing Systems <ul><li>MAJOR FUNCTIONS OF SYSTEMS: </li></ul><ul><li>Sales Management; Market Research; Promotion; Pricing; New Products </li></ul><ul><li>MAJOR APPLICATION SYSTEMS: </li></ul><ul><li>Sales Order Info System; Market Research System; Pricing System </li></ul><ul><li>* </li></ul>TPS 2.8
  • 8. TYPICAL TPS APPLICATIONS Manufacturing & Production Systems <ul><li>MAJOR FUNCTIONS OF SYSTEMS: </li></ul><ul><li>Scheduling; Purchasing; Shipping / Receiving; Engineering; Operations </li></ul><ul><li>MAJOR APPLICATION SYSTEMS: </li></ul><ul><li>Materials Requirements Planning Systems; Purchase Order Control Systems; Engineering Systems; Quality Control Systems </li></ul><ul><li>* </li></ul>TPS 2.9
  • 9. TYPICAL TPS APPLICATIONS Finance & Accounting Systems <ul><li>MAJOR FUNCTIONS OF SYSTEMS: </li></ul><ul><li>Budgeting; Accounting ; Billing; Cost Accounting </li></ul><ul><li>MAJOR APPLICATION SYSTEMS: </li></ul><ul><li>General Ledger; Accounts Receivable / Payable; Budgeting; Funds Management Systems </li></ul><ul><li>* </li></ul>TPS 2.10
  • 10. TYPICAL TPS APPLICATIONS Human Resources Systems <ul><li>MAJOR FUNCTIONS OF SYSTEMS: </li></ul><ul><li>Personnel Records; Benefits; Compensation; Labor Relations; Training </li></ul><ul><li>MAJOR APPLICATION SYSTEMS: </li></ul><ul><li>Payroll; Employee Records; Benefit Systems; Career Path Systems; Personnel Training Systems </li></ul><ul><li>* </li></ul>TPS 2.11
  • 11. TYPICAL TPS APPLICATIONS Other Types (e.g., University) <ul><li>MAJOR FUNCTIONS OF SYSTEMS: </li></ul><ul><li>Admissions; Grade Records; Course Records; Alumni </li></ul><ul><li>MAJOR APPLICATION SYSTEMS: </li></ul><ul><li>Registration System; Student Transcript System; Curriculum Class Control System; Alumni Benefactor System </li></ul><ul><li>* </li></ul>TPS 2.12
  • 12. <ul><li>KNOWLEDGE LEVEL </li></ul><ul><li>INPUTS: DESIGN SPECS </li></ul><ul><li>PROCESSING: MODELLING </li></ul><ul><li>OUTPUTS: DESIGNS, GRAPHICS </li></ul><ul><li>USERS: PROFESSIONALS, TECHNICAL STAFF </li></ul><ul><li>EXAMPLE: ENGINEERING WORK STATION </li></ul>KNOWLEDGE WORK SYSTEMS (KWS) 2.13
  • 13. OFFICE AUTOMATION SYSTEMS (OAS) <ul><li>TOWARD A “PAPERLESS” OFFICE </li></ul><ul><li>INTEGRATED SOFTWARE </li></ul><ul><li>NON-STRUCTURED DATA </li></ul><ul><li>EXAMPLE: PRESENTATION GRAPHICS </li></ul>2.14
  • 14. <ul><li>MANAGEMENT LEVEL </li></ul><ul><li>INPUTS: HIGH VOLUME DATA </li></ul><ul><li>PROCESSING: ROUTINE REPORTS, SIMPLE MODELS, LOW-LEVEL ANALYSIS </li></ul><ul><li>OUTPUTS: SUMMARY REPORTS AND EXCEPTION REPORTS </li></ul><ul><li>USERS: MIDDLE MANAGERS </li></ul><ul><li>EXAMPLE: ANNUAL BUDGETING </li></ul>MANAGEMENT INFORMATION SYSTEMS (MIS) 2.15
  • 15. <ul><li>STRUCTURED & SEMI-STRUCTURED DECISIONS </li></ul><ul><li>REPORTING AND CONTROL ORIENTED </li></ul><ul><li>PAST & PRESENT DATA (RELY ON EXISTING TPS DATA) </li></ul><ul><li>INTERNAL ORIENTATION </li></ul><ul><li>LENGTHY DESIGN PROCESS </li></ul><ul><li>RELATIVELY INFLEXIBLE </li></ul><ul><li>* </li></ul>MANAGEMENT INFORMATION SYSTEMS (MIS) 2.16
  • 16. TPS DATA FOR MIS APPLICATIONS MIS MIS FILES SALES DATA UNIT PRODUCT COST PRODUCT CHANGE DATA EXPENSE DATA MIS REPORTS MANAGERS TPS Order Processing System Materials Resource Planning System General Ledger System ORDER FILE PRODUCTION MASTER FILE ACCOUNTING FILES 2.17
  • 17. <ul><li>MANAGEMENT LEVEL </li></ul><ul><li>INPUTS: LOW VOLUME DATA </li></ul><ul><li>PROCESSING: INTERACTIVE </li></ul><ul><li>OUTPUTS: DECISION ANALYSIS </li></ul><ul><li>USERS: PROFESSIONALS, STAFF </li></ul><ul><li>EXAMPLE: CONTRACT COST ANALYSIS </li></ul>DECISION SUPPORT SYSTEMS (DSS) 2.18
  • 18. <ul><li>FLEXIBLE, ADAPTABLE, QUICK </li></ul><ul><li>USER CONTROLS INPUTS/OUTPUTS </li></ul><ul><li>NO PROFESSIONAL PROGRAMMING </li></ul><ul><li>SUPPORTS DECISION PROCESS </li></ul><ul><li>SOPHISTICATED MODELING TOOLS </li></ul><ul><li>* </li></ul>DECISION SUPPORT SYSTEMS (DSS) 2.19
  • 19. <ul><li>QUERIES CANNOT BE SPECIFIED IN ADVANCE </li></ul><ul><li>DSS OFTEN ALSO BRING IN INFORMATION FROM EXTERNAL SOURCES (e.g. product prices of competitors, current stock prices, etc) </li></ul><ul><li>* </li></ul>DECISION SUPPORT SYSTEMS (DSS) 2.19
  • 20. <ul><li>STRATEGIC LEVEL </li></ul><ul><li>INPUTS: AGGREGATE DATA </li></ul><ul><li>PROCESSING: INTERACTIVE </li></ul><ul><li>OUTPUTS: PROJECTIONS </li></ul><ul><li>USERS: SENIOR MANAGERS </li></ul><ul><li>EXAMPLE: 5 YEAR OPERATING PLAN </li></ul>EXECUTIVE SUPPORT SYSTEMS (ESS) 2.20
  • 21. <ul><li>TOP LEVEL MANAGEMENT </li></ul><ul><li>DESIGNED TO THE INDIVIDUAL </li></ul><ul><li>TIES CEO TO ALL LEVELS </li></ul><ul><li>ADDRESS UNSTRUCTURED DECISIONS </li></ul><ul><li>VERY EXPENSIVE TO KEEP UP </li></ul><ul><li>EXTENSIVE SUPPORT STAFF </li></ul><ul><li>* </li></ul>EXECUTIVE SUPPORT SYSTEMS (ESS) 2.21
  • 22. INTERRELATIONSHIPS AMONG SYSTEMS 2.22 ESS TPS KWS OAS DSS MIS
  • 23. STRATEGIC ROLE OF INFORMATION SYSTEMS <ul><li>STRATEGIC INFO SYSTEM: </li></ul><ul><li>CAN CHANGE GOALS, PROCESSES, </li></ul><ul><li>PRODUCTS, SERVICES OR </li></ul><ul><li>ENVIRONMENT </li></ul><ul><li>TO GAIN COMPETITIVE ADVANTAGE </li></ul>2.23
  • 24. 2.29 2. THE STRATEGIC ROLE OF INFORMATION SYSTEMS

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