1. Computer Software
1.1. Software, also called a program, tells the computer what tasks to perform and how to perform them
1.1.1. System Software
1.1.1.1. Operating system
1.1.1.2. Utility program
1.1.2. Application Software
1.2. Installingis the process of setting up software to work with the computer, printer, and other hardware
1.3. A programmer develops software or writes the instructions that direct the computer to process data into information
2. Categories of Computers
2.1. Personal computers
2.1.1. A personal computercan perform all of its input, processing, output, and storage activities by itself
2.1.2. Two popular architectures are the PC and the Apple
2.1.2.1. Desktop computer
2.2. Mobile computers and mobile devices
2.2.1. Mobile Computer
2.2.1.1. Personal computer you can carry from place to place
2.2.1.1.1. Notebook computer
2.2.2. Mobile Device
2.2.2.1. Computing device small enough to hold in your hand
2.2.2.1.1. PDA
2.3. Game consoles
2.3.1. A game consoleis a mobile computing device designed for single‐player or multiplayer video games
2.4. Servers
2.4.1. A servercontrols access to the hardware, software, and other resources on a network
2.4.1.1. Provides a centralized storage area for programs, data, and information
2.5. Mainframes
2.5.1. A mainframeis a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously
2.6. Supercomputers
2.6.1. A supercomputeris the fastest, most powerful computer
2.6.1.1. Fastest supercomputers are capable of processing more than one quadrillion instructions in a single second
2.7. Embedded computers
2.7.1. An embedded computeris a special‐purpose computer that functions as a component in a larger product
2.7.1.1. Consumer Electronics
2.7.1.1.1. Mobile and digital telephones
2.7.1.2. Home Automation Devices
2.7.1.2.1. Thermostats
2.7.1.3. Automobiles
2.7.1.3.1. Antilock brakes
2.7.1.4. Process Controllers and Robotics
2.7.1.4.1. Remote monitoring systems
2.7.1.5. Computer Devices and Office Machines
2.7.1.5.1. Keyboards
3. Elements of an Information System
3.1. Hardware
3.2. Software
3.3. Data
3.4. People
3.5. Procedures
4. Examples of Computer Usage
4.1. Home User
4.1.1. Personal financial management
4.1.2. Communications
4.2. Small Office/Home Office User
4.2.1. Look up information
4.2.2. Send and receive e‐mail messages
4.3. Mobile User
4.3.1. Connect to other computers on a network or the Internet
4.3.2. Transfer information
4.4. Power User
4.4.1. Work with multimedia
4.4.2. Use industry‐specific software
4.5. Enterprise User
4.5.1. Communicate among employees
4.5.2. Process high volumes of transactions
5. Computer Applications in Society
5.1. Education
5.2. Finance
5.3. Government
5.4. Health Care
5.5. Science
5.6. Publishing
5.7. Travel
5.8. Manufacturing
6. Summary
6.1. Basic computer concepts
6.2. Components of a computer
6.3. Networks, the Internet, and computer software
6.4. Many different categories of computers, computer users, and computer applications in society
7. Objectives Overview
7.1. Explain why computer literacy is vital to success in today’s world
7.2. Define the term, computer, and describe the relationship between data and information
7.3. Describe the five components of a computer
7.4. Discuss the advantages and disadvantages that users experience when working with computers
7.5. Define the term, network, and identify benefits of sharing resources on a network
7.6. Discuss the uses of the Internet and World Wide Web
7.7. Distinguish between system software and application software
7.8. Differentiate among types, sizes, and functions of computers in each category
7.9. Describe the role of each element in an information system
7.10. Explain how home users, small office/home office users, mobile users, power users, and enterprise users each interact with computers
7.11. Discuss how society uses computers in education, finance, government, health care, science, publishing, travel, and manufacturing
8. A World of Computers
8.1. Computers are everywhere
9. What Is a Computer?
9.1. A computeris an electronic device, operating under the control of instructions stored in its own memory
10. The Components of a Computer
10.1. A computer contains many electric, electronic, and mechanical components known as hardware
10.1.1. Input Device
10.1.1.1. Web cam
10.1.2. Output Device
10.1.2.1. Printer
10.1.3. System Units
10.1.3.1. Process memmory
10.1.4. storage Device
10.1.4.1. Card reader
10.1.5. Communications Device
10.1.5.1. Modem
11. Networks and the Internet
11.1. A networkis a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media
11.2. The Internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals
11.3. People use the Internet for a variety of reasons:
11.3.1. Communicate
11.3.2. Research and Access Information
11.3.3. Shop
11.3.4. Bank and Invest
11.3.5. Online Trading
11.3.6. Entertainment
11.3.7. Download Music
11.3.8. Share Videos
11.3.9. Web Application
12. Advantages and Disadvantages of Using Computers
12.1. Advantages of Using Computers
12.1.1. Speed
12.1.2. Reliability
12.1.3. Consistency
12.1.4. Storage
12.1.5. Communications
12.2. Disadvantages of Using Computers
12.2.1. Health Risks
12.2.2. Violation of Privacy
12.2.3. Public Safety
12.2.4. Impact on Labor Force
12.2.5. Impact on Environment