Computers

1. Examples of Computer Usage

1.1. Home User

1.1.1. Personal financial management

1.1.2. Communications

1.2. Small Office/Home Office User

1.2.1. Look up information

1.2.2. Send and receive e‐mail messages

1.3. Mobile User

1.3.1. Connect to other computers on a network or the Internet

1.3.2. Transfer information

1.4. Power User

1.4.1. Work with multimedia

1.4.2. Use industry‐specific software

1.5. Enterprise User

1.5.1. Communicate among employees

1.5.2. Process high volumes of transactions

2. Categories of Computers

2.1. Personal computers

2.2. Mobile computers and mobile devices

2.3. Game consoles

2.4. Servers

2.5. Mainframes

2.6. Supercomputers

2.7. Embedded computers

3. Elements of an Information System

3.1. Hardware

3.2. Software

3.3. Data

3.4. People

3.5. Procedures

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. Summary

5.1. Basic computer concepts

5.2. Components of a computer

5.3. Networks, the Internet, and computer software

5.4. Many different categories of computers, computer users, and computer applications in society

6. A World of Computers

6.1. Computers are everywhere

7. What Is a Computer?

7.1. A computeris an electronic device, operating under the control of instructions stored in its own memory

8. The Components of a Computer

8.1. A computer contains many electric, electronic, and mechanical components known as hardware

8.1.1. Input Device

8.1.1.1. Web cam

8.1.2. Output Device

8.1.3. System Units

8.1.3.1. Process memmory

8.1.4. storage Device

8.1.5. Communications Device

9. Advantages and Disadvantages of Using Computers

9.1. Advantages of Using Computers

9.1.1. Speed

9.1.2. Reliability

9.1.3. Storage

9.1.4. Communications

9.2. Disadvantages of Using Computers

9.2.1. Violation of Privacy

9.2.2. Public Safety

9.2.3. Impact on Environment