Introduction to computer

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Introduction to computer by Mind Map: Introduction to computer

1. Mobile Computers Personal computer you can carry from place to placeExamples include notebook computers, laptop computers, and Tablet PCsMobile

2. Advantages and Disadvantages of Using Computers

2.1. Advantages of Using Computers

2.1.1. Speed

2.1.2. SpeedReliability

2.1.3. Consistency

2.1.4. Storage

2.1.5. Communications

2.2. Disadvantages of Using Computers

2.2.1. CommunicationsHealth Risks

2.2.2. Violation of Privacy

2.2.3. Public Safety

2.2.4. Impact on Labor Force

2.2.5. Impact on Environment

3. Networks and the Internet

3.1. A networkis a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media

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

3.3. People use the Internet for a variety of reasons Communicate,Research and Access ,Information,Shop,Bank and InvestOnline, Trading,Entertainment,Download Music,Share VideosWeb, Application

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

4. The Components of a Computer

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

5. What Is a Computer?

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

6. Computer Software

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

6.2. Installingis the process of setting up software to work with the computer, printer, and other hardware

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

7. Categories of Computers

7.1. A personal computercan perform all of its input, processing, output, and storage activities by itself

7.2. Mobile Computers and Mobile Devices

7.2.1. Mobile Devices Computing device small enough to hold in your handExamples include smart phones, PDAs, handheld computers, portable media players, and digital cameras

7.3. Game Consoles A game consoleis a mobile computing device designed for single‐player or multiplayer video games

7.4. Servers A servercontrols access to the hardware, software, and other resources on a network Provides a centralized storage area for programs, data, and information

7.5. Mainframes A mainframeis a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously

7.6. Supercomputers A supercomputeris the fastest, most powerful computer

7.7. Embedded Computers An embedded computeris a special‐purpose computer that functions as a component in a larger product

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