Introduction to Computers

1. A World of Computers

1.1. What Is a Computer?

1.1.1. A computer is an electronic device, operating under the control of instructions stored in its own memory

1.1.2. Advantages

1.1.2.1. Speed

1.1.2.2. Reliability

1.1.2.3. Consistency

1.1.2.4. Storage

1.1.2.5. Communications

1.1.3. Disadvantages

1.1.3.1. Health Risks

1.1.3.2. Violation of Privacy

1.1.3.3. Public Safety

1.1.3.4. Impact on Labor Force

1.1.3.5. Impact on Environment

2. Networks and the Internet

2.1. The Internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals

3. Elements of an Information System

3.1. Hardware

3.2. Software

3.3. Data

3.4. Procedures

4. People use the Internet

4.1. Communicate

4.2. Research and Access Information

4.3. Shop

4.4. Bank and Invest

4.5. Online Trading

4.6. Entertainment

4.7. Download Music

4.8. Share Videos

4.9. Web Application

5. The Components of a Computer

5.1. Input Device

5.2. Output Device

5.3. System Unit

5.4. Storage Device

5.5. Communications Device

6. Computer Software

6.1. System Software

6.2. Application Software

7. Categories of Computers

7.1. Personal computers

7.2. Mobile computers and mobile devices

7.3. Game consoles

7.4. Mainframes

7.5. Supercomputers

7.6. Embedded computers

8. Examples of Computer Usage

8.1. Home User

8.2. Small Office/Home Office User

8.3. Mobile User

8.4. Power User

8.5. Enterprise User

9. Computer Applications in Society

9.1. Education

9.2. Finance

9.3. Government

9.4. Health Care

9.5. Science

9.6. Publishing

9.7. Travel

9.8. Manufacturing