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IS 201 Principle of Information
Systems 81SecTTTT 2 254/
4
ชุ�ด ที่�� 1
IS 201 2
MANAGING MANAGING THETHE
DIGITAL DIGITAL FIRMFIRM
3IS 201
BUSINESS ENVIRONMENT
•GLOBALIZATIONGLOBALIZATION•INDUSTRIAL ECONOMIESINDUSTRIAL ECONOMIES•TRANSFORMATION OF THE TRANSFORMATION OF THE
ENTERPRISEENTERPRISE•EMERGENCE OF THE DIGITAL EMERGENCE OF THE DIGITAL
FIRMFIRM
**
4IS 201
GLOBALIZATIOGLOBALIZATIONN
• MANAGEMENT & CONTROLMANAGEMENT & CONTROL• COMPETITION IN WORLD COMPETITION IN WORLD
MARKETSMARKETS• GLOBAL WORK GROUPSGLOBAL WORK GROUPS• GLOBAL DELIVERY SYSTEMSGLOBAL DELIVERY SYSTEMS
**
5IS 201
INDUSTRIAL INDUSTRIAL ECONOMIESECONOMIES
• KNOWLEDGE-BASED ECONOMIES• PRODUCTIVITY• NEW PRODUCTS & SERVICES• KNOWLEDGE AS AN ASSET• TIME-BASED COMPETITION• SHORTER PRODUCT LIFE• TURBULENT ENVIRONMENT• LIMITED EMPLOYEE KNOWLEDGE BASE
*
6IS 201
TRANSFORMATION TRANSFORMATION OF ENTERPRISEOF ENTERPRISE
• FLATTENINGFLATTENING• DECENTRALIZATIONDECENTRALIZATION• FLEXIBILITYFLEXIBILITY• LOCATION INDEPENDENCELOCATION INDEPENDENCE• LOW TRANSACTION COSTSLOW TRANSACTION COSTS• EMPOWERMENTEMPOWERMENT• COLLABORATIVE WORKCOLLABORATIVE WORK
*
7IS 201
EMERGENCE OF THE EMERGENCE OF THE DIGITAL FIRMDIGITAL FIRM
•DIGITALLY-ENABLED RELATIONSHIPS WITH CUSTOMERS, SUPPLIERS, EMPLOYEES
•CORE BUSINESS PROCESSES VIA DIGITAL NETWORKS
•DIGITAL MANAGEMENT OF KEY ASSETS
•RAPID SENSING & RESPONDING TO CHANGE
*
IS 201 8
ELECTRONIC COMMERCE
• INTERNET LINKS BUYERS, SELLERS• LOWERS TRANSACTION COSTS• GOODS & SERVICES ,ADVERTISED,
BOUGHT, EXCHANGED WORLDWIDE• BUSINESS-TO-BUSINESS
TRANSACTIONS INCREASING*
IS 201 9
ELECTRONIC BUSINESS
• INTRANET: BUSINESS BUILDS PRIVATE, SECURE NETWORK
• E-MAIL, WEB DOCUMENTS, GROUP SOFTWARE EXTENDS EFFECTIVE COMMUNICATION & CONTROL
• VIRTUAL ORGANIZATION*
10IS 201
• 1950s: TECHNICAL CHANGES• 60s-70s: MANAGERIAL CONTROL• 80s-90s: INSTITUTIONAL CORE
ACTIVITIES
GROWING IMPORTANCE*
SCOPE OF INFO SYSTEMS
IS 201 11
THE CHANGING MANAGEMENT PROCESS
• ENTERPRISE RESOURCE PLANNING (ERP)
• ELECTRONIC COMMERCE• ELECTRONIC BUSINESS• ELECTRONIC MARKET
*
12IS 201
WHAT YOU CAN DO ON THE INTERNET
• COMMUNICATE & COLLABORATE• ACCESS INFORMATION• DISCUSS• OBTAIN INFORMATION• ENTERTAIN• TRANSACT BUSINESS
*
13IS 201
SALES & MARKETING
COMPANY
FINANCE COMPANY
LOGISTICS
COMPANY
DESIGN
COMPANY
MANUFACTURING
COMPANY
VIRTUAL ORGANIZATION
CORECORE
COMPANYCOMPANY
IS 201 14
SHIPPINGSHIPPING INVENTORYINVENTORY
PLANNING & PLANNING & FORECASTINGFORECASTING
ORDER ORDER PROCESSINGPROCESSING
PRODUCTIONPRODUCTION
PROCUREMENTPROCUREMENT
ACCOUNTINGACCOUNTING
SUPPLIERSSUPPLIERSCUSTOMERSCUSTOMERS
LOGISTICS LOGISTICS SERVICESSERVICES
DISTRIBUTORSDISTRIBUTORS
INTRANETINTRANETINTRANET
SUPPLY-CHAIN SUPPLY-CHAIN MANAGEMENTMANAGEMENT
15IS 201
SYSTEMSYSTEM
INPUT OUTPUTPROCESS
FEEDBACK
IS 201 16
WHAT IS AN INFORMATION
SYSTEMS ?Interrelated components working together to …collect, process, store, and disseminate information to support decision making, coordination, control, analysis, and visualization in an organization.
17IS 201
INFORMATION SYSTEMINFORMATION SYSTEM
INPUT OUTPUTPROCESS
FEEDBACK
Data Information
IS 201 18
INFORMATION
Data that have been shaped into a form that is meaningful and useful to human beings.
IS 201 19
DATA
Streams of raw facts representing events occurringin organization or the physical environment beforethey have been organized and arranged into a formthat people can understand and use.
IS 201 20
INPUT
The capture or collection of raw data fromwithin the organization or from its externalenvironment for processing in an informationsystem.
IS 201 21
PROCESSING
The conversion, manipulation, and analysis of raw input into a form that is more meaningfulto humans.
IS 201 22
OUTPUT
The distribution of processed information to the people whowill use it or to the activities for which it will be used.
IS 201 23
FEEDBACKOutput that is returned to the appropriatemembers of the organization to help themevaluate or correct input.
IS 201 24
COMPUTER-BASED
INFORMATION SYSTEMS
(CBIS)Information systems that rely on computerhardware and software for processingand disseminating information.
25IS 201
FUNCTIONS OF AN INFORMATION SYSTEMFUNCTIONS OF AN INFORMATION SYSTEM
INPUT OUTPUTPROCESS
FEEDBACK
INFORMATION SYSTEMINFORMATION SYSTEM
ENVIRONMENTENVIRONMENT
Customers Suppliers Customers Suppliers
Regulatory Regulatory Stockholders CompetitorsStockholders CompetitorsAgenciesAgencies
ORGANIZATIONORGANIZATION
IS 201 26
องค์�ประกอบของ IS•DATA• INFORMATION TECHNOLOGY
–Computer hardware –Software–Communications
•USER• IS Personnel•PROCEDURE
IS 201 27
TYPES OF INFORMATION SYSTEMSTYPES OF INFORMATION SYSTEMS
DATA WORKERSDATA WORKERS
KIND OF SYSTEM GROUPS KIND OF SYSTEM GROUPS SERVEDSERVEDSTRATEGIC LEVEL SENIOR STRATEGIC LEVEL SENIOR
MANAGERSMANAGERS
MANAGEMENT LEVEL MIDDLE MANAGEMENT LEVEL MIDDLE MANAGERSMANAGERS
OPERATIONAL OPERATIONAL
OPERATIONAL LEVEL OPERATIONAL LEVEL MANAGERS MANAGERS
KNOWLEDGE LEVEL KNOWLEDGE LEVEL KNOWLEDGE & KNOWLEDGE &
SALES & MANUFACTURING FINANCE ACCOUNTING HUMANSALES & MANUFACTURING FINANCE ACCOUNTING HUMAN RESOURCESRESOURCESMARKETINGMARKETING
IS 201 28
MAJOR TYPES OF MAJOR TYPES OF SYSTEMSSYSTEMS
• EXECUTIVE SUPPORT SYSTEMS (ESS)• DECISION SUPPORT SYSTEMS (DSS)• MANAGEMENT INFORMATION SYSTEMS (MIS)• KNOWLEDGE WORK SYSTEMS (KWS)• OFFICE AUTOMATION SYSTEMS (OAS)• TRANSACTION PROCESSING SYSTEMS (TPS)
*
IS 201 29
MISMIS
MIS FILESMIS FILES
SALES DATA
UNIT PRODUCT COST
PRODUCT CHANGE DATA
EXPENSE DATA
MIS REPORTS
MANAGERSMANAGERS
TPS
Order Processing
System
Materials Resource
Planning System
General Ledger
System
ORDER FILE
PRODUCTION MASTER FILE
ACCOUNTING FILES
TPS DATA FOR MIS APPLICATIONS
IS 201 30
INTERRELATIONSHIPS AMONG SYSTEMS
ESS
TPSKWS
OAS
DSSMIS
IS 201 31
TRADITIONALVIEW OF
SYSTEMS• WITHIN THE BUSINESS: There are
functions, each having its uses of information systems
• OUTSIDE THE ORGANIZATION’S BOUNDARIES: There are customers and vendors
FUNCTIONS TEND TO WORK IN ISOLATION
*
IS 201 32Sales &
Marketing
Accounting
Finance
Manufacturing
Human Resources
ENTERPRISE SYSTEMENTERPRISE SYSTEM
Business ProcessesBusiness Processes
Enterprise-wideEnterprise-wide Business ProcessesBusiness Processes
Vendors Customers
IS 201 33
STRATEGIC ROLE OF INFORMATION SYSTEMS
STRATEGIC INFO SYSTEM:CAN CHANGE GOALS,
OPERATIONSPRODUCTS, SERVICES
ENVIRONMENT
TO GAIN COMPETITIVE ADVANTAGE