1. Objectives Overview
1.1. Explain why computer literacy is vital to success in today’s world
1.2. Define the term, computer, and describe the relationship between data and information
1.3. Describe the five components of a computer
1.4. Discuss the advantages and disadvantages that users experience when working with computers
1.5. Define the term, network, and identify benefits of sharing resources on a network
1.6. Discuss the uses of the Internet and World Wide Web
1.7. Distinguish between system software and application software
1.8. Differentiate among types, sizes, and functions of computers in each category
1.9. Describe the role of each element in an information system
1.10. Explain how home users, small office/home office users, mobile users, power users, and enterprise users each interact with computers
1.11. Discuss how society uses computers in education, finance, government, health care, science, publishing, travel, and manufacturing
2. Computer Software
2.1. Software, also called a program, tells the computer what tasks to perform and how to perform them
2.1.1. System Software
2.1.1.1. Operating system
2.1.1.2. Utility program
2.1.2. Application Software
2.2. Installing is the process of setting up software to work with the computer, printer, and other hardware
2.3. A programmer develops software or writes the instructions that direct the computer to process data into information
3. Categories of Computers
3.1. Personal computers
3.2. Mobile computers and mobile devices
3.3. Game consoles
3.4. Servers
3.5. Mainframes
3.6. Supercomputers
3.7. Embedded computers
4. Personal Computers
4.1. A personal computer can perform all of its input, processing, output, and storage activities by itself
4.2. Two popular architectures are the PC and the Apple – Desktop computer
5. Mobile Computers and Mobile Devices
5.1. Mobile Computer
5.1.1. Examples include notebook computers, laptop computers, and Tablet PCs
5.2. Mobile Device
5.2.1. Examples include smart phones, PDAs, handheld computers, portable media players, and digital cameras
6. Mobile Computers and Mobile Devices
6.1. Notebook computer
6.2. Tablet PC
6.3. Smart phone
6.4. PDA
6.5. Handheld computer
6.6. Portable media player
6.7. Digital camera
7. Mainframes
7.1. A mainframe is a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously
8. Elements of an Information System
8.1. Hardware
8.2. Software
8.3. Data
8.4. People
8.5. Procedures
9. Computer Applications in Society
9.1. Education
9.2. Finance
9.3. Government
9.4. Health Care
9.5. Science
9.6. Publishing
9.7. Travel
9.8. Manufacturing
10. Summary
10.1. Basic computer concepts
10.2. Components of a computer
10.3. Networks, the Internet, and computer software
10.4. Many different categories of computers, computer users, and computer applications in society
11. New node
12. A World of Computers
12.1. Computers are everywhere
13. What Is a Computer?
13.1. • A computer is an electronic device, operating under the control of instructions stored in its own memory
13.1.1. Information Processing Cycle
13.1.1.1. Collects data (input)
13.1.1.2. Processing
13.1.1.3. Produces information (output)
14. The Components of a Computer
14.1. A computer contains many electric, electronic, and mechanical components known as hardware
14.1.1. Input Device
14.1.1.1. Allows you to enter data and instructions Input Device into a computer
14.1.2. Output Device
14.1.2.1. Hardware component that conveys information to one or more people
14.1.3. System Unit
14.1.3.1. Case that contains the electronic components of the computer that are used to process data
14.1.4. Storage Device
14.1.4.1. Holds data, instructions, and information for future use
14.1.5. Communications Device
14.1.5.1. Enables a computer to send and receive data, instructions, and information to and from one or more computers or mobile devices
15. Advantages and Disadvantages of Using Computers
15.1. Advantages of Using Computers
15.1.1. Speed
15.1.2. Reliability
15.1.3. Consistency
15.1.4. Storage
15.1.5. Communications
15.2. Disadvantages of Using Computers
15.2.1. Health Risks
15.2.2. Violation of Privacy
15.2.3. Public Safety
15.2.4. Impact on Labor Force
15.2.5. Impact on Environment
15.3. Green computing
15.3.1. involves reducing the electricity consumed and environmental waste generated when using a computer
15.4. Strategies include:
15.4.1. – Recycling
15.4.2. – Regulating manufacturing processes
15.4.3. – Extending the life of computers
15.4.4. – Immediately donating or properly disposing of replaced computers
16. Networks and the Internet
16.1. A network is a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media
16.2. The Internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals
16.3. People use the Internet for a variety of reasons
16.3.1. Communicate
16.3.2. Research and Access Information
16.3.3. Shop
16.3.4. Bank and Invest
16.3.5. Online Trading
16.3.6. Entertainment
16.3.7. Download Music
16.3.8. Share Videos
16.3.9. Web Application
16.4. A social networking Web site encourages members to share their interests, ideas, stories, photos, music, and videos with other registered users
17. Game Consoles
17.1. A game console is a mobile computing device designed for single-player or multiplayer video games
18. Servers
18.1. A server controls access to the hardware, software, and other resources on a network Provides – a centralized storage area for programs, data, and information
19. Supercomputers
19.1. A supercomputer is the fastest, most powerful computer – Fastest supercomputers are capable of processing more than one quadrillion instructions in a single second
20. Embedded Computers
20.1. An embedded computer is a special-purpose computer that functions as a component in a larger product
20.1.1. Consumer Electronics •Mobile and digital telephones • Digital televisions • Cameras • Video recorders • DVD players and recorders • Answering machines
20.1.2. Home Automation Devices • Thermostats • Sprinkling systems • Security monitoring systems • Appliances • Lights
20.1.3. Automobiles • Antilock brakes • Engine control modules • Airbag controller • Cruise control
20.1.4. Process Controllers and Robotics • Remote monitoring systems • Power monitors •Machine controllers •Medical devices
20.1.5. Computer Devices and Office Machines • Keyboards • Printers • Faxes • Copiers