Introduction to Computers

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Introduction to Computers by Mind Map: Introduction to Computers

1. Elements of an Information System

1.1. Hardware

1.2. Software

1.3. Data

1.4. People

1.5. Procedures

2. What Is a Computer?

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

3. Objectives Overview

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

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

3.3. Describe the five components of a computer

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

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

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

3.7. Distinguish between system software and application software

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

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

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

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

4. A World of Computers

4.1. Computers are everywhere

5. Summary

5.1. Basic computer concepts

5.2. Components of a computer

5.3. Networks, the Internet, and computer software

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

6. The Components of a Computer

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

6.1.1. Input Device

6.1.2. Output Device

6.1.3. System Unit

6.1.4. Storage Device

6.1.5. Communications Device

7. Categories of Computers

7.1. Personal Computers

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

7.1.2. Two popular architectures are the PC and the Apple

7.1.2.1. Desktop computer

7.2. Mobile Computers and Mobile Devices

7.2.1. Mobile Computer

7.2.1.1. Personal computer you can carry from place to place

7.2.1.2. Examples include notebook computers, laptop computers, and Tablet PCs

7.2.1.2.1. New node

7.2.2. Mobile Device

7.2.2.1. Computing device small enough to hold in your hand

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

7.3. Mobile Computers and Mobile Devices

7.3.1. Notebook computer

7.3.2. Tablet PC

7.3.3. Smart phone

7.3.4. PDA

7.3.5. Handheld computer

7.3.6. Portable media player

7.3.7. Digital camera

7.4. Game Consoles

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

7.5. Servers

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

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

7.6. Mainframes

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

7.7. Supercomputers

7.7.1. A supercomputeris the fastest, most powerful computer

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

7.8. Embedded Computers

7.8.1. Consumer Electronics

7.8.2. Home Automation Devices

7.8.3. Automobiles

7.8.4. Process Controllers and Robotics

7.8.5. Computer Devices and Office Machines

8. Advantages and Disadvantages of Using Computers

8.1. Advantages of Using Computers

8.1.1. Speed

8.1.2. Reliability

8.1.3. Consistency

8.1.4. Storage

8.1.5. Communications

8.2. Disadvantages of Using Computers

8.2.1. Health Risks

8.2.2. Violation of Privacy

8.2.3. Public Safety

8.2.4. Impact on Labor Force

8.2.5. Impact on Environment

9. Computer Software

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

9.1.1. System Software

9.1.1.1. Operating system

9.1.1.2. Utility programApplication

9.1.2. Application Software

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

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

10. Networks and the Internet

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

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

10.3. People use the Internet for a variety of reasons

10.3.1. Communicate

10.3.2. Research and Access Information

10.3.3. Shop

10.3.4. Bank and Invest

10.3.5. Online Trading

10.3.6. Entertainment

10.3.7. Download Music

10.3.8. Share Videos

10.3.9. Web Application

11. Examples of Computer Usage

11.1. Home User

11.1.1. Personal financial management

11.1.2. Web access

11.1.3. Communications

11.1.4. Entertainment

11.2. Small Office/Home Office User

11.2.1. Look up information

11.2.2. Send and receive e‐mail messages

11.2.3. Make telephone calls

11.3. Mobile User

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

11.3.2. Transfer information

11.3.3. Play video games

11.3.4. Listen to music

11.3.5. Watch movies

11.4. Power User

11.4.1. Work with multimedia

11.4.2. Use industry‐specific software

11.5. Enterprise User

11.5.1. Communicate among employees

11.5.2. Process high volumes of transactions

11.5.3. Blog

12. Computer Applications in Society

12.1. Education

12.2. Finance

12.3. Government

12.4. Health Care

12.5. Science

12.6. Publishing

12.7. Travel

12.8. TravelManufacturing