INTRODUCTION TO COMPUTER

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INTRODUCTION TO COMPUTER by Mind Map: INTRODUCTION TO COMPUTER

1. Summary

1.1. Basic computer concepts

1.2. Components of a computer

1.3. Networks, the Internet, and computer software

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

2. Examples of Computer Usage

2.1. Home User

2.1.1. Personal financial management

2.1.2. Communications

2.2. Small Office/Home Office User

2.2.1. Look up information

2.2.2. Send and receive e-mail messages

2.3. Mobile User

2.3.1. Connect to other computers on a network or in the internet

2.3.2. Transfer information

2.4. Power User

2.4.1. Work with multimedia

2.4.2. Use industry-specific software

2.5. Enterprise User

2.5.1. Communicate among employees

2.5.2. Process high volumes of transactions

3. Computer Applications in Society

3.1. Education

3.2. Finance

3.3. Government

3.4. Health Care

3.5. Science

3.6. Publishing

3.7. Travel

3.8. Manufacturing

4. Categories of Computers

4.1. Personal computers

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

4.1.2. Two popular architectures are the PC and the Apple

4.1.2.1. Desktop computer

4.2. Mobile computers and mobile devices

4.2.1. Mobile Computer

4.2.1.1. Personal computer you can carry from place to place

4.2.1.1.1. Notebook computer

4.2.2. Mobile Device

4.2.2.1. Computing device small enough to hold in your hand

4.2.2.1.1. PDA

4.3. Game consoles

4.3.1. A game consoles is a mobile computing device designed for single-player or multiplayer video games

4.4. Servers

4.4.1. A servercontrols access to the hardware, software, and other resources on a network

4.4.1.1. Provide a centralized storage area for programs, data, and information

4.5. Mainframed

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

4.6. Supercomputers

4.6.1. A supercomputer is the fastest, most powerful computer

4.6.1.1. Fastest supercomputers are capable of processing more than quadrillion instructions in a single second

4.7. Embedded computers

4.7.1. An embedded computeris a special-purpose computer that function as a component in a larger product

4.7.1.1. Consumer Electronics

4.7.1.1.1. Mobile and digital telephones

4.7.1.2. Home Automation Devices

4.7.1.2.1. Thermostats

4.7.1.3. Automobiles

4.7.1.3.1. Antilock brakes

4.7.1.4. Process Controllers and Robotics

4.7.1.4.1. Remote monitoring systems

4.7.1.5. Computer Devices and Office Machines

4.7.1.5.1. Keyboards

5. Computer Software

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

5.1.1. System Software

5.1.1.1. Operating system

5.1.1.2. Utility program

5.2. Installing is the process of setting up sotware to work with the computer, printer, and other hardware

5.3. A programmer develops software or writes the instructions that direct the computer to process data into information

6. Advantages and Disadvantages of Using Computers

6.1. Advantages of Using Computers

6.1.1. Speed

6.1.2. Reliability

6.1.3. Consistency

6.1.4. Storage

6.1.5. Communications

6.2. Disadvantages of Using Computers

6.2.1. Health risks

6.2.2. Violation of Privacy

6.2.3. Public Safety

6.2.4. Impact on Labor Force

6.2.5. Impact on Environment

7. What Is a Computer?

7.1. A computeris an electronic device, operating under the control of instructions stored in its own memory

8. Objective Overview

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

8.2. Describe the term, computer, and describe the relationship between data and information

8.3. Describe the five components of a computer

8.4. Discuss the advantages and disadvantanges that users experience when working with computers

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

9. A World of Computers

9.1. Computers are everywhere

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. Systems Units

10.1.3.1. Process memory

10.1.4. storage device

10.1.4.1. Card reader

10.1.5. Communication 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