1. Advantages and Disadvantages of Using Computers
1.1. Advantages of Using Computers
1.1.1. Speed
1.1.2. Reliability
1.1.3. Consistency
1.1.4. Storage
1.1.5. Communications
1.2. Disadvantages of Using Computers
1.2.1. Health Risks
1.2.2. Violation of Privacy
1.2.3. Public Safety
1.2.4. Impact on Labor Force
1.2.5. Impact on Environment
2. Computer Software
2.1. System Software
2.2. Application Software
3. Categories of Computers
3.1. Personal computers
3.1.1. Desktop computer
3.2. Mobile computers and mobile devices
3.2.1. Mobile Computer
3.2.1.1. notebook computers
3.2.1.2. laptop computers
3.2.1.3. Tablet PCs
3.2.2. Mobile Device
3.2.2.1. smart phones
3.2.2.2. PDAs
3.2.2.3. handheld computers
3.2.2.4. portable media players
3.2.2.5. digital cameras
3.3. Game consoles
3.4. Servers
3.5. Mainframes
3.6. Supercomputers
3.7. Embedded computers
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. The Components of a Computer
5.1. Input Device
5.1.1. keyboard
5.1.2. mouse
5.1.3. web cam
5.1.4. scanner
5.1.5. microphone
5.2. Output Device
5.2.1. monitor
5.2.2. speakers
5.2.3. printer
5.3. System Unit
5.3.1. procees memory
5.4. Storage Device
5.4.1. hard disk drive
5.4.2. USB flsahdrive
5.4.3. memory card
5.4.4. extemal harddrive
5.4.5. optical disk drive
5.5. Communications Device
5.5.1. modem
6. Networks and the Internet
6.1. network
6.1.1. wirelessly
6.1.2. via communications devices
6.1.3. transmission media
6.2. Internet
6.2.1. worldwide collection