5V of big data: Volume, Velocity, Variety, Veracity, and Value
IS defined:
Data vs Information vs Knowledge
Data
Information
Knowledge
raw symbols
formatted data
data relationships
123x
123x is a SSN
123x is John’s SSN, combining with other tables
Information systems can help organizations
Be more productive and profitable
Gain competitive advantage
Reach more customers
Improve customer service
Types of IS:
Type
Purpose
Transaction processing systems
process day-to-day business event
Management Information system
produce detailed information to help manage a firm
Decision support system
Decision support system (DSS)
Intelligent system
Business intelligence system
Office automation system
Enterprise Resource Planning system
Financial, operations, and human resource management
Dual Nature of IS
IS for competitive advantage
while the use of technology can enable efficiency and while information systems must provide a return on investment, technology use can also be strategic and a powerful enabler of competitive advantage.
IS ethics:
PAPA
Privacy
Accuracy
Property: intellectual property (IP)
Accessibity: proper hiring, training, and supervision of employees who have access to the data and implement the necessary software and hardware security safeguards.
The guidelines prohibit:
Using a computer to harm others
Interfering with other people’s computer work
Snooping in other people’s files
Using a computer to steal
Using a computer to bear false witness
Copyright or using proprietary software without paying for it
Using other people’s computer resources without authorization or compensation