Transcript IS 201 Principle of Information Systems

IS 201
Principle of Information Systems
Sec 81
Term 1/ 2544
ชุด ที่ 1
BUSINESS ENVIRONMENT
• GLOBALIZATION
• INDUSTRIAL ECONOMIES
• TRANSFORMATION OF THE ENTERPRISE
*
SCOPE OF INFO SYSTEMS
• 1950s: TECHNICAL CHANGES
• 60s-70s: MANAGERIAL CONTROL
• 80s-90s: INSTITUTIONAL CORE ACTIVITIES
GROWING IMPORTANCE
*
WHAT YOU CAN DO ON THE INTERNET
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•
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•
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COMMUNICATE & COLLABORATE
ACCESS INFORMATION
DISCUSS
OBTAIN INFORMATION
ENTERTAIN
TRANSACT BUSINESS
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THE CHANGING MANAGEMENT PROCESS
•
•
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ENTERPRISE RESOURCE PLANNING (ERP)
ELECTRONIC COMMERCE
ELECTRONIC BUSINESS
ELECTRONIC MARKET
*
ELECTRONIC COMMERCE
• INTERNET LINKS BUYERS, SELLERS
• LOWERS TRANSACTION COSTS
• GOODS & SERVICES ,ADVERTISED, BOUGHT,
EXCHANGED WORLDWIDE
• BUSINESS-TO-BUSINESS TRANSACTIONS
INCREASING
*
ELECTRONIC BUSINESS
• INTRANET: BUSINESS BUILDS PRIVATE, SECURE
NETWORK
• E-MAIL, WEB DOCUMENTS, GROUP SOFTWARE
EXTENDS EFFECTIVE
COMMUNICATION & CONTROL
• VIRTUAL ORGANIZATION
*
VIRTUAL ORGANIZATION
MANUFACTURING
DESIGN
COMPANY
COMPANY
SALES & MARKETING
COMPANY
CORE
COM
PANY
FINANCE
COMPANY
LOGISTICS
COMPANY
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.
SYSTEM
INPUT
PROCESS
FEEDBACK
OUTPUT
INFORMATION SYSTEM
Information
Data
INPUT
PROCESS
FEEDBACK
OUTPUT
INFORMATION
Data that have been shaped into
a form that is meaningful and useful
to human beings.
DATA
Streams of raw facts representing events occurring
in organization or the physical environment before
they have been organized and arranged into a form
that people can understand and use.
INPUT
The capture or collection of raw data from
within the organization or from its external
environment for processing in an information
system.
PROCESSING
The conversion, manipulation,
and analysis of raw input into
a form that is more meaningful
to humans.
OUTPUT
The distribution of processed
information to the people who
will use it or to the activities
for which it will be used.
FEEDBACK
Output that is returned to the appropriate
members of the organization to help them
evaluate or correct input.
COMPUTER-BASED
INFORMATION SYSTEMS
(CBIS)
Information systems that rely on computer
hardware and software for processing
and disseminating information.
FUNCTIONS OF AN INFORMATION SYSTEM
ENVIRONMENT
Customers
Suppliers
ORGANIZATION
INFORMATION SYSTEM
INPUT
PROCESS
OUTPUT
FEEDBACK
Regulatory
Agencies
Stockholders
Competitors
องค์ประกอบของ IS
• DATA
• INFORMATION TECHNOLOGY
– Computer hardware
– Software
– Communications
• USER
• IS Personnel
• PROCEDURE
TYPES OF INFORMATION SYSTEMS
KIND OF SYSTEM
SERVED
GROUPS
STRATEGIC LEVEL
SENIOR
MANAGERS
MANAGEMENT LEVEL
MIDDLE
MANAGERS
KNOWLEDGE LEVEL
KNOWLEDGE &
DATA WORKERS
OPERATIONAL
LEVEL
SALES &
MARKETING
OPERATIONAL
MANAGERS
MANUFACTURING
FINANCE
ACCOUNTING
HUMAN
RESOURCES