Computer In Everyday Life chapter 1

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Computer In Everyday Life chapter 1 by Mind Map: Computer In Everyday Life chapter 1

1. What is a computer?

1.1. A computer is an electronic device, operating under the control of instructions stored in its own memory

2. The component of a computer

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

2.1.1. Input Device Allows you to enter data and instructions into a computer

2.1.2. Output Device Hardware component that conveys information to one or more people

2.1.3. System Unit Case that contains the electronic components of the computer that are used to process data

2.1.4. Storage Device Holds data, instructions, and information for future use

2.1.5. Communications Device Enables a computer to send and receive data, instructions, and information to and from one or more computers or mobile devices

3. Network and the Internet

3.1. The Internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals

3.2. People use the Internet for a variety of reasons

3.3. A social networking Web site encourages members to share their interests, ideas, stories, photos, music, and videos with other registered users

4. Computer Softwear

4.1. Software, also called a program, tells the computer what tasks to perform and how to perform them

4.1.1. System Software Operating system Utility program

4.1.2. Application Software

4.2. Installing

4.2.1. 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. Elements of an Information System

5.1. Hardware

5.2. Software

5.3. Data

5.4. People

5.5. Procedures

6. Computer Applications in society

6.1. Education

6.2. Finance

6.3. Government

6.4. Health Care

6.5. Science

6.6. Publishing

6.7. Travel

6.8. Manufacturing

7. Video : Computer History in a barn

7.1. DigiBarn computer museum

8. Summary

8.1. Basic computer concepts

8.2. Components of a computer

8.3. Networks, the Internet, and computer software

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

9. Categories of Computers

9.1. Personal Computers

9.1.1. A personal computer can perform all of its input, processing, output, and storage activities by itself

9.1.2. Two popular architectures are the PC and the Apple

9.2. Mobile Computer and Mobile Devices

9.2.1. Mobile Computer Personal computer you can carry from place to place Examples include notebook computers, laptop computers, and Tablet PCs

9.2.2. Mobile Device Computing device small enough to hold in your hand Examples include smart phones, PDAs, handheld computers, portable media players, and digital cameras

9.3. Game consoles

9.3.1. Examples include smart phones, PDAs, handheld computers, portable media players, and digital cameras

9.4. Servers

9.4.1. A server controls access to the hardware, software, and other resources on a network Provides a centralized storage area for programs, data, and information

9.5. Mainframes

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

9.6. Supercomputers

9.6.1. A supercomputer is the fastest, most powerful computer Fastest supercomputers are capable of processing more than one quadrillion instructions in a single second

9.7. Embedded Computers

9.7.1. An embedded computer is a special-purpose computer that functions as a component in a larger product

10. A world of computers

10.1. Computers are everywhere

11. Objecttives Overview

11.1. Explain why computer literacy is vital to success in today’s world

11.2. Describe the five components of a computer

11.3. Define the term, computer, and describe the relationship between data and information

11.4. Discuss the advantages and disadvantages that users experience when working with computers

11.5. Define the term, network, and identify benefits of sharing resources on a network

11.6. Discuss the uses of the Internet and World Wide Web

11.7. Distinguish between system software and application software

11.8. Differentiate among types, sizes, and functions of computers in each category

11.9. Describe the role of each element in an information system

11.10. Explain how home users, small office/home office users, mobile users, power users, and enterprise users each interact with computers

11.11. Discuss how society uses computers in education, finance, government, health care, science, publishing, travel, and manufacturing

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

12.3. Green computing involves reducing the electricity consumed and environmental waste generated when using a computer

12.4. Strategies include: Recycling Regulating manufacturing processes Extending the life of computers Immediately donating or properly disposing of replaced computers

13. Examples of computer Usage

13.1. Home User

13.2. Small Office/Home Office User

13.3. Mobile User

13.4. Power User

13.5. Enterprise User