1. Element of an Information System
1.1. Hardware
1.1.1. The components of a Computer
1.1.1.1. Input Device
1.1.1.2. Output Device
1.1.1.3. System Unit
1.1.1.4. Storage Device
1.1.1.5. Communication Device
1.1.1.6. Communicate
1.1.1.7. Research and Access Information
1.1.1.8. Bank and Invest
1.1.1.9. Online Trading
1.1.2. Categories of Computers
1.1.2.1. Personal Computers
1.1.2.1.1. PC
1.1.2.1.2. Apple
1.1.2.2. Mobile Computers and Mobile Devices
1.1.2.2.1. Notebook Computer
1.1.2.2.2. Tablet PC
1.1.2.2.3. Smart Phone
1.1.2.2.4. PDA
1.1.2.2.5. Handheld Computer
1.1.2.2.6. Portable media player
1.1.2.2.7. Digital camera
1.1.2.3. Game Consoles
1.1.2.4. Severs
1.1.2.5. Mainframes
1.1.2.6. SuperComputers
1.1.2.7. Embedded Computers
1.1.2.7.1. Consumer Electronics
1.1.2.7.2. Home Automation
1.1.2.7.3. Automobiles
1.1.2.7.4. Process Controller and Robotics
1.1.2.7.5. Computer Devices and Office Machines
1.2. Software
1.2.1. System Software
1.2.2. Application Software
1.2.2.1. Computer Applications in Society
1.2.2.1.1. Education
1.2.2.1.2. Finance
1.2.2.1.3. Government
1.2.2.1.4. Health Care
1.2.2.1.5. Science
1.2.2.1.6. Publishing
1.2.2.1.7. Travel
1.2.2.1.8. Manufacturing
1.2.2.2. Network and the Internet
1.2.2.2.1. Communicate
1.2.2.2.2. Research and Access Information
1.2.2.2.3. Shop
1.2.2.2.4. Bank and Invest
1.2.2.2.5. Online Trading
1.2.2.2.6. Entertainment
1.2.2.2.7. Download Music
1.2.2.2.8. Share Video
1.2.2.2.9. Web Application
1.3. Data
1.4. People
1.4.1. Examples of Computer Usage
1.4.1.1. Home User
1.4.1.2. Small office/Home office User
1.4.1.3. Mobile User
1.4.1.4. Power User
1.4.1.5. Enterprise User