Chapter1 Introduction to computers

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Chapter1 Introduction to computers by Mind Map: Chapter1  Introduction  to computers

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

1.1. System Software

1.1.1. Operating system

1.1.2. Utility program

1.2. Application Software

2. Computer Applications in Society

2.1. Education

2.2. Finance

2.3. Government

2.4. Health Care

2.5. Science

2.6. Publishing

2.7. Travel

2.8. Manufacturing

3. A World of Computers

3.1. Computers are everywhere

4. Objectives Overview

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

4.2. Explain why computer literacy is vital to success in today's world

4.3. Describe the five components of the computer

4.3.1. New node

4.4. Describe to roll of each element in an information system

4.4.1. New node

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

4.5.1. New node

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

4.7. Distinguish between system software and application software

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

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

5. What Is a Computer?

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

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 Allows you to enter data and instructions into a computer

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

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

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

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

7. Advantages and Disadvantages of Using Computers

7.1. Disadvantages of Using Computers

7.1.1. Health Risks

7.1.2. Violation of Privacy

7.1.3. Public Safety

7.1.4. Impact on Labor Force

7.1.5. Impact on Environment

7.2. Advantages of Using Computers

7.2.1. Speed

7.2.2. Reliability

7.2.3. Consistency

7.2.4. Storage

7.2.5. Communications

8. Networks and the Internet

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

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

8.3. People use the Internet for a variety of reasons

8.3.1. Communicate

8.3.2. Research and Access Information

8.3.3. Shop

8.3.4. Bank and Invest

8.3.5. Online Trading

8.3.6. Entertainment

8.3.7. Download Music

8.3.8. Share Videos

8.3.9. Web Application

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

9. Computer Software

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

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

10. Categories of Computers

10.1. Game Consoles

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

10.2. Servers

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

10.3. Mainframes

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

10.4. Supercomputers

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

10.5. Embedded Computers

10.5.1. An embedded computer is a special‐purpose computer that functions as a component in a larger product Consumer Electronics Home Automation Devices Automobiles Process Controllers and Robotics Computer Devices and Office Machines

10.6. Personal Computers

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

10.6.2. Two popular architectures are the PC and the Apple

10.7. Mobile Computers and Mobile Devices

10.7.1. Mobile computer

10.7.2. Mobile Device

11. Elements of an Information System

11.1. Hardware

11.2. Software

11.3. Data

11.4. People

11.5. Procedures

11.5.1. New node

12. Examples of Computer Usage

12.1. Home User

12.1.1. Personal financial management

12.1.2. Web access

12.1.3. Communications

12.1.4. Entertainment

12.2. Small Office/Home Office User

12.2.1. Look up information

12.2.2. Send and receive e‐mail messages

12.2.3. Make telephone calls

12.3. Mobile User

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

12.3.2. Transfer information

12.3.3. Play video games

12.3.4. Listen to music

12.4. Power User

12.4.1. Work with multimedia

12.4.2. User industry‐specific software

12.5. Enterprise User

12.5.1. Communicate among employees

12.5.2. Process high volumes of transactions

12.5.3. Blog

13. Summary

13.1. Basic computer concepts

13.2. Components of a computer

13.3. Networks, the Internet, and computer software

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