1. The Components of a Computer
1.1. A computer contains many electric, electronic, and mechanical components known as "hardware"
1.1.1. Input Device
1.1.1.1. Allows you to enter data and instructions into a computer
1.1.2. Output Device
1.1.2.1. Hardware component that conveys information to one or more people
1.1.3. System Unit
1.1.3.1. Case that contains the electronic components of the computer that are used to process data
1.1.4. Storage Device
1.1.4.1. Holds data, instructions, and information for future use
1.1.5. Communications Device
1.1.5.1. Enables a computer to send and receive data, instructions, and information and from one or more computers or mobile devices
2. Advantages and Disadvantages of Using Computers
2.1. Advantage of Using Coputers
2.1.1. Speed
2.1.2. Reliability
2.1.3. Consistency
2.1.4. Storage
2.1.5. Communications
2.2. Disadvantages of Using Computers
2.2.1. Health Risks
2.2.2. Violation of Privacy
2.2.3. Public Safety
2.2.4. Impact on Labor Force
2.2.5. Impact on Environment
2.3. "Green computing" involves reducing the electricity consumed and environmental waste generated when using a computer
2.4. Strategies include : – Recycling – Regulating manufacturing processes – Extending the life of computers – Immediately donating or properly disposing of replaced computers
3. Networks and the Internet
3.1. A "network" is a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media
3.2. The "Internet" is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals
3.3. People use the Internet for a variety of reasons
3.3.1. Communicate
3.3.2. Research and Access Information
3.3.3. Shop
3.3.4. Bank and Invest
3.3.5. Online Trading
3.3.6. Entertainment
3.3.7. Download Music
3.3.8. Share Videos
3.3.9. Web Application
3.4. A "social networking Web site" encourages members to share their interests with other registered users
4. Computer Software
4.1. "Software", also called a program, tells the computer what tasks to perform and how to perform them
4.1.1. System Software
4.1.1.1. Operating system
4.1.1.2. Utility program
4.1.2. Application Software
4.2. "Installing" is the process of setting up software to work with the computer, printer, and other hardware
4.3. A programmer develops software or writes the instructions that direct the computer to process data into information
5. Servers
5.1. A "server" controls access to the hardware, software, and other resources on a network
5.1.1. Provides a centralized storage area for programs, data, and information
6. Mainframes
6.1. A mainframe is a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously
7. Supercomputers
7.1. A supercomputer is the fastest, most powerful computer
7.1.1. Fastest supercomputers are capable of processing more than one quadrillion instructions in a single second
8. Computer Applications in Society
8.1. Education
8.2. Finance
8.3. Government
8.4. Health Care
8.5. Science
8.6. Publishing
8.7. Travel
8.8. Manufacturing
9. Summary
9.1. Basic computer concepts
9.2. Components of a computer
10. A World of Computers
10.1. Computers are everywhere
11. What Is a Computer?
11.1. A "computer" is an electronic device, operating under the control of instructions stored in its own memory
11.1.1. Information Processing Cycle
11.1.1.1. Collects >> Processing >> Produces data information (input) (output)
12. Categories of Computers
12.1. Personal computers >> Mobile computers and mobile devices >> Game consoles >> Servers >> Mainframes >> Supercomputers >> Embedded computers
13. Personal Computers
13.1. A "personal computer" can perform all of its input, processing, output, and storage activities by itself
13.2. Two popular architectures are the PC and the Apple
13.2.1. Desktop computer
14. Mobile Computers and Mobile Devices
14.1. Mobile Computer
14.1.1. Personal computer you can carry from place to Computer
14.1.1.1. Notebook computer
14.1.1.2. laptop computers
14.1.1.3. Tablet PCs
14.2. Mobile Device
14.2.1. Computing device small enough to hold in your hand
14.2.1.1. smart phones
14.2.1.2. PDAs
14.2.1.3. handheld computers
14.2.1.4. portable media players
14.2.1.5. digital cameras
15. Game Consoles
15.1. A "game console" is a mobile computing device designed for single‐player or multiplayer video games
15.2. A "server" controls access to the hardware, software, and other resources on a network
16. Embedded Computers
16.1. Consumer Electronics
16.1.1. Mobile and digital telephones
16.1.2. Digital televisions
16.1.3. Cameras
16.1.4. Video recorders
16.1.5. DVD players and recorders
16.1.6. Answering machines
16.2. Home Automation Devices
16.2.1. Thermostats
16.2.2. Sprinkling systems
16.2.3. Security monitoring systems
16.2.4. Appliances
16.2.5. Lights
16.3. Automobiles
16.3.1. Antilock brakes
16.3.2. Engine control modules
16.3.3. Airbag controller
16.3.4. Cruise control
16.4. Process Controllers and Robotics
16.4.1. Remote systemsmonitoring
16.4.2. Power monitors
16.4.3. Machine controllers
16.4.4. Medical devices
16.5. Computer Devices and Office Machines
16.5.1. Keyboards
16.5.2. Printers
16.5.3. Faxes
16.5.4. Copiers