Introduction to Computers
by MANATCHANOK KOSOLJIT

1. A World of Computers
1.1. Input Device
1.2. Output Device
1.3. System Unit
1.4. Storage Device
1.5. Communications Device
2. Advantages of Using Computers
2.1. Speed
2.2. Reliability
2.3. Consistency
2.4. Storage
2.5. Communications
3. Disadvantages of Using Comtuters
3.1. Health Risks
3.2. Violation of Privacy
3.3. Public Safety
3.4. Impact on Labor Force
3.5. Impact on Environment
4. Computer Software
4.1. System Software
4.1.1. Operating System
4.1.2. Utility Programe