chapter 1 Introduction to computers

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chapter 1 Introduction to computers by Mind Map: chapter 1       Introduction to computers

1. computer

1.1. is an electronic device

1.1.1. Collects data (input)

1.1.2. Processing

1.1.3. Produces information(output)

2. The Components of a Computer

2.1. hardware

2.1.1. Input Device

2.1.2. Output Device

2.1.3. System Unit

2.1.4. Storage Device

2.1.5. Communications Device

3. Advantages and Disadvantages of Using Computers

3.1. Advantages

3.1.1. Speed

3.1.2. Reliability

3.1.3. Consistency

3.1.4. Storage

3.1.5. Communications

3.2. Disadvantages

3.2.1. Health Risks

3.2.2. Violation of Privacy

3.2.3. Public Safety

3.2.4. Impact on Labor Force

3.2.5. Impact on Environment

4. Networks and the Internet

4.1. network

4.1.1. is a collection of computers and devices connected together

4.1.1.1. wirelessly

4.1.1.2. via communications devices

4.1.1.3. media transmission

4.2. Internet

4.2.1. is a worldwide collection of networks that connects

4.2.1.1. businesses,

4.2.1.2. government agencies

4.2.1.3. educational institutions

4.2.1.4. individuals

4.2.2. use the Internet

4.2.2.1. Communicate

4.2.2.2. Research and Access Information

4.2.2.3. Shop

4.2.2.4. Bank and Invest

4.2.2.5. Online Trading

4.2.2.6. Entertainment

4.2.2.7. Download Music

4.2.2.8. Share Videos

4.2.2.9. Web Application

5. Computer Software

5.1. System Software

5.1.1. •Operating system

5.1.2. •Utility program

5.2. Application Software

6. Categoriesof Computers

6.1. Personal computers

6.1.1. mobile computers and Mobile devices

6.1.1.1. Game consoles

6.1.1.1.1. Servers

7. mobile computers and Mobile devices

7.1. mobile computers

7.1.1. can carry from place to place

7.1.1.1. notebook computers

7.1.1.2. laptop computers

7.1.1.3. Tablet PCs

7.2. Mobile devices

7.2.1. Computing device small enough to hold in your hand

7.2.1.1. smart phones

7.2.1.2. PDAs handheld computers

7.2.1.3. portable media players

7.2.1.4. digital cameras

8. Game consoles

8.1. is A mobile computing device designed for single player or multiplayer video games

9. Servers

9.1. A server controls access to the hardware, software,and other resources on a network

10. Mainframes

10.1. is a large,expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously

11. Supercomputers

11.1. is the fastest, most powerful computer

12. Embedded computers

12.1. Consumer Electronics

12.1.1. •Mobile and digital telephones

12.1.2. •Digital televisions

12.1.3. •Cameras

12.1.4. •Video recorders

12.1.5. •DVD players and recorders

12.1.6. •Answering machines

12.2. Home Automation Devices

12.2.1. •Thermostats

12.2.2. •Sprinkling systems

12.2.3. •Security monitoring systems

12.2.4. •Appliances

12.2.5. •Lights

12.3. Automobiles

12.3.1. •Antilock brakes

12.3.2. •Engine control modules

12.3.3. •Airbag controller

12.3.4. •Cruise control

12.4. Process Controllers and Robotics

12.4.1. •Remote monitoring systems

12.4.2. •Power monitors

12.4.3. •Machine controllers

12.4.4. •Medical devices

12.5. Computer Devices and Office Machines

12.5.1. •Keyboards

12.5.2. •Printers

12.5.3. •Faxes

12.5.4. •Copiers

13. Elements of an Information System

13.1. Hardware

13.2. Software

13.3. Data

13.4. People

13.5. Procedures

14. Computer Applications in Society

14.1. Education

14.2. Finance

14.3. Government

14.4. Health Care

14.5. Science

14.6. Publishing

14.7. Travel

14.8. Manufacturing