Introduction to Computers

1. Elements of an Information System

1.1. Hardware

1.2. Software

1.3. Data

1.4. People

1.5. Procedures

2. Categories of Computers

2.1. Personal computers

2.1.1. Mobile computers and mobile devices

2.1.1.1. Game consoles

2.1.1.1.1. Servers

3. Advantages and Disadvantages of Using Computers

3.1. Advantages of Using Computers

3.1.1. Speed

3.1.2. Reliability

3.1.3. Consistency

3.1.4. Storage

3.1.5. Communications

3.2. Disadvantages of Using Computers

3.2.1. Violation of Privacy

3.2.2. Public Safety

3.2.3. Impact on Labor Force

3.2.4. Impact on Environment

3.2.5. Health Risks

4. The Component of a Computer

4.1. Input Device

4.2. New node

4.3. New node

4.4. Output Device

4.5. System Unit

4.6. Storage Device

4.7. Communications Device