What is an Information System?

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What is an Information System?
Control of System Performance
Input of
Data
Resources
Processing
Data
Storage of Data Resources
Output of
Information
Products
Information Technologies
•
•
•
•
Computer hardware technologies
Computer software technologies
Telecommunications network technologies
Data resource management technologies
An IS Framework for Business Professionals
An IS Framework for Business Professionals:
(1) Foundation Concepts
• Include fundamental behavioral, technical,
business, and managerial concepts about the
components and roles of IS.
• Examples :
– Basic IS concepts derived from general systems
theory.
– Competitive strategy concepts used to develop ebusiness applications of IT for competitive advantage.
An IS Framework for Business Professionals:
(2) Information Technologies
• Major concepts, developments, and
management issues in IT.
• Examples: hardware, software, networks,
data resource management, and many
Internet-based technologies.
An IS Framework for Business Professionals:
(3) Business Applications
• The major uses of IS for the operations,
management, and competitive advantage
of an e-business enterprise.
• Examples: Electronic business,
commerce, collaboration and decision
making using Internet, intranets, and
extranets.
An IS Framework for Business Professionals:
(4) Development Processes
• How business professionals and
information specialists plan, develop, and
implement IS to meet e-business
opportunities using several application
development approaches.
An IS Framework for Business
Professionals: (5) Management Challenges
• The challenges of effectively and ethically
managing e-business technologies,
strategies, and security at the end user
Major Roles of Information Systems
Support
Strategies for
Competitive Advantage
Support
Business Decision Making
Support
Business Processes and Operations
Fundamental Roles of IS in Business
• Support of its business processes and
operations
• Support of decision making by its
employees and managers
• Support of its strategies for competitive
advantage
The e-Business Enterprise
The Internet
Suppliers and Other Business Partners
Company
Boundary
Extranets
Supply Chain Management
Procurement, Distribution, and Logistics
Engineering &
Research
Manufacturing
and
Production
Accounting,
and Finance
Intranets
Customer Relationship Management
Marketing
Sales
Customer Service
Extranets
Consumer and Business Customers
History of the role of Information Systems
1950-1960
Data
Processing
Electronic
Data
Processing
- TPS
1960-1970
Management
Reporting
Management
Information
Systems
- Mgt reports
1970-1980
Decision
Support
Decision
Support
Systems
- Ad hoc
Reports
1980-1990
1990-2000
Strategic &
End User
Electronic
Commerce
End User
Computing
Exec Info Sys
Expert Systems
SIS
Internet-based
e-business and
e-commerce
systems
Types of Information Systems
Information Systems
Operations
Management
Support
Support
Systems
Systems
Transaction
Process
Enterprise
Management
Decision
Executive
Processing
Control
Collaboration
Information
Support
Information
Systems
Systems
Systems
Systems
Systems
Systems
Other Categories of Information
Systems
Expert Systems
Knowledge Management Systems
Functional Business Systems
Strategic Information Systems
Cross-Functional Information Systems
The Information Systems Development
Process
Management Challenges of the E-business
Enterprise
•IS Human Resources
•IS Development
•IT Infrastructure
•IS Performance
•Organization Structure
•and Culture
•User Acceptance
•Business Strategies
•Business Processes
•Business Needs
•Customer Relationships
•Business Partners
•Suppliers
•Business Customers
Ethical Considerations
Potential Risks?
Potential Laws?
Possible Responses?
Chapter Summary
• Why information systems are important?
IS play a vital role in the efficient and
effective operations of E-business, Ecommerce and enterprise collaboration.
• The business professional must know:
–
–
–
–
Foundations (fundamentals) of IS
Information Technologies
Business Applications
Development Processes; and
– Managerial Challenges
Chapter Summary (cont)
• Information systems perform three vital roles
in business firms. They support:
– Business processes and operations,
– Business decision making; and
– Strategic competitive advantage
• Major application categories of information
systems include:
– Operations Support Systems; and
– Management Support Systems
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