Introduction to computers

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Introduction to computers by Mind Map: Introduction to computers

1. Computer Software

1.1. Software

1.1.1. called a program ; tells the computer what tasks to perform and how to perform them

1.2. Installing

1.2.1. is 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. Mobile computers and mobile devices Game consoles Servers

3. Personal Computers

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

3.2. Two popular architectures are the PC and the Apple

3.2.1. Desktop computer

4. Mobile Computers and Mobile Devices

4.1. Mobile Computers

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

4.2. Mobile Devices

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

5. Game Consoles

5.1. A game console is a mobile computing device designed for single‐player or multiplayer video games

6. Servers

6.1. A server controls access to the hardware, software, and other resources on a network

6.1.1. Provides a centralized storage area for programs, data, and information

7. Mainframes

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

8. Embedded Computers

8.1. An embedded computer is a special‐purpose computer that functions as a component in a larger product

8.1.1. Consumer Electronics

8.1.2. Home Automation Devices

8.1.3. Automobiles

8.1.4. Process Controllers and Robotics

8.1.5. Computer Devices and Office Machines

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

10. The Components of a Computer

10.1. Input Device

10.1.1. Allows you to enter data and instructions into a computer

10.2. Output Device

10.2.1. Hardware component that conveys information to one or more people

10.3. System Unit

10.3.1. Case that contains the electronic components of the computer that are used to process data

10.4. Storage Device

10.4.1. Holds data, instructions, and information for future use

10.5. Communications Device

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

11. Advantages of Using Computers

11.1. Speed

11.2. Reliability

11.3. Consistency

11.4. Storage

11.5. Communications

12. Disadvantages of Using Computers

12.1. Health Risks

12.2. Violation of Privacy

12.3. Public Safety

12.4. Impact on Labor Force

12.5. Impact on Environment

13. Networks and the Internet

13.1. Networks

13.1.1. A network is a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media

13.2. Internet

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

13.3. social networking Web site

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

14. Supercomputers

14.1. A supercomputer is the fastest, most powerful computer

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

15. Elements of an Information System

15.1. Hardware

15.2. Software

15.3. Data

15.4. People

15.5. Procedures

16. Examples of Computer Usage

16.1. Home User

16.1.1. Personal financial management

16.1.2. Web access

16.1.3. Communications

16.1.4. Entertainment

16.2. Small Office/Home Office User

16.2.1. Look up information

16.2.2. Send and receive e‐mail messages

16.2.3. Make telephone calls

16.3. Mobile User

16.3.1. Connect to other computers on a network or the Internet

16.3.2. Transfer information

16.3.3. Play video games

16.3.4. Listen to music

16.3.5. Watch movies

16.4. Power User

16.4.1. Work with multimedia

16.4.2. User industry‐specific software

16.5. Enterprise User

16.5.1. Communicate among employees

16.5.2. Process high volumes of transactions

16.5.3. Blog

17. Computer Applications in Society

17.1. Education

17.2. Finance

17.3. Government

17.4. Health Care

17.5. Science

17.6. Publishing

17.7. Travel

17.8. Manufacturing

18. Summary

18.1. Basic computer concepts

18.2. Components of a computer

18.3. Networks, the Internet,and computer software

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