2. Distinguish between data and
information and explain the role of
management information systems
in business.
List the components and different
types of information systems.
Outline how computer hardware
and software are used to manage
information.
Describe the networking and
telecommunications technology
and types of computer networks.
Discuss the security and ethical
issues involving computer
information systems.
Explain the steps that companies go
through in anticipating, planning for,
and recovering from information
system disasters.
Review current trends in information
systems.
1
2
3
Learning Goals
4
5
6
7
3. Information Systems
Data – raw facts
and figures
Information –
knowledge gained
from processing data
Information
System –
organized method for
collecting, storing,
and communicating
information on operations
Chief Information
Officer –
executive responsible for
directing information
systems and operations
4. Components of
Information Systems
Computer Hardware
Computer Software
Telecommunications and
Computer Networks
Data Resource Management
5. Types of Information
Systems
• Operational Support Systems
– Transaction Processing System
– Process Control System
• Management Support Systems
– Management Information System (MIS)
– Decision Support System (DSS)
– Executive Support System (ESS)
6. Computer Hardware
• The tangible elements of a computer system
• The components that store and process data,
perform calculations
• Input devices like the keyboard and mouse allow
users to enter data and commands.
• Storage and processing components consist of
the hard drive and other storage components
like flash drives.
7. Types of Computers
• Desktop (Personal) Computers
• Server
• Mainframes
• Supercomputers
• Notebook Computers
• Handheld Devices
8. Computer Software
• Programs, routines, and
computer languages that
control a computer
• Operating System
– Windows Operating System
– Mac Operating System
• Application Software
– Microsoft PowerPoint
– Quicken
9. Computer Networks
THE INTERNET
Local Area Networks (LAN)
Wide Area Networks (WAN)
Wireless Local Networks
Intranets
Virtual Private Networks (VPN)
Voice over Internet Protocol (VoIP)
11. Ethical Issues Affecting
Information Systems
• Use of information systems by employees
and vendors:
– Personal Use
– Privacy
• Organizational use of information:
– Employment records
– Employee monitoring
12. Disaster Recovery
& Backup
• Natural Disasters
• Power Failures
• Equipment Malfunctions
• Software Glitches
• Human Error
• Terrorist Attacks
• The most basic precaution – Backup.
90% of firms that
sustained a loss of
critical data went
out of business
within two years.
13. Information Systems
Trends
• The Distributed Workforce
– Employees who work in virtual
offices
• Application Service Providers
– A firm that provides computers
and application support
• On Demand, Cloud, and Grid
Computing
– Renting software time
