1. The Components of a Computer
1.1. hardware
1.1.1. Input Device
1.1.2. Output Device
1.1.3. System Unit
1.1.4. Storage Device
1.1.5. Communications Device
2. Advantages and Disadvantages of Using Computers
2.1. Advantages
2.1.1. Speed
2.1.2. Reliability
2.1.3. Consistency of y
2.1.4. Storage
2.1.5. Communications
2.2. Disadvantages
2.2.1. Health Risks
2.2.2. Violation of Privacy
2.2.3. Public Safety
2.2.4. Impact on Labor Force
2.2.5. Impact on Environment
3. Computer Software
3.1. Software
3.1.1. Software, also called a program, tells the computer what tasks to perform and how to perform them
3.1.1.1. System Software
3.1.1.2. Application Software
3.2. Installing
3.2.1. Installing is the process of setting up software to work with the computer, printer, and other hardware
4. Computer Applications in Society
4.1. Education
4.2. Finance
4.3. Government
4.4. Health Care
4.5. Science
4.6. Publishing
4.7. Travel
4.8. Manufacturing
5. Networks and the Internet
5.1. Networks
5.1.1. A network is a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media
5.2. Internet
5.2.1. The Internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals
5.3. Social networking Web site
5.3.1. A social networking Web site encourages members to share their interests, ideas, stories, photos, music, and videos with other registered users
6. Categories of Computers
6.1. Personal Computers
6.1.1. A personal computer can perform all of its input, processing, output, and storage activities by itself
6.2. Mobile Computers and Mobile Devices
6.2.1. Notebook computer
6.2.2. Tablet PC
6.2.3. Smart phone
6.2.4. PDA
6.2.5. Handheld computer
6.2.6. Portable media player
6.2.7. Digital camera
6.3. Game Consoles
6.3.1. A game console is a mobile computing device designed for single‐player or multiplayer video games
6.4. Servers
6.4.1. A server controls access to the hardware, software, and other resources on a network
6.5. Mainframes
6.5.1. A mainframe is a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously
6.6. Supercomputers
6.6.1. A supercomputer is the fastest, most powerful computer
6.7. Embedded Computers
6.7.1. An embedded computer is a special‐purpose computer that functions as a component in a larger product