Introduction to computers

1. Objective Overview

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

1.2. - Define the term computer, and describe the between data and information.

1.3. - Describe the five components of a computer.

1.4. - Discuss the advantages that users experience when working with computer.

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

1.6. - Discuss the uses of the internet and world wide web

1.7. - Distinguish between system software and application software.

1.8. - Differentiate among types, sizes, and function of computer in the each category.

2. The Components of a Computer

2.1. - Input Device

2.1.1. • Allows you to enter data and instructions into a computer.

2.2. - Output Device

2.2.1. • Hardware component that conveys information to one or more people.

2.3. - System Unit

2.3.1. • Case that contain the electronic component of the computer that are used to process data.

2.4. - Storage Device

2.4.1. • Holds data, Instructions, and formation for future use.

2.5. - Communications Device

2.5.1. • Enables a computer to send and receive data instruction to and from one or more computer or mobile devices.

3. Advantages and disadvantages of Using Computers

3.1. - Advantages of Using Computers

3.1.1. • Speed

3.1.2. • Reliability

3.1.3. • Consistency

3.1.4. • Storage

3.1.5. • Communications

3.2. - Disadvantages of Using Computers

3.2.1. • Health Risks

3.2.2. • Violation of Privacy

3.2.3. • Public Safety

3.2.4. • Impact on Labor force

3.2.5. • Impact on Environment

4. Advantages and Disadvantages of Using Computer

4.1. - Green computing involves reducing the electricity consumed and environmental waste generated when using a computer.

4.2. - Strategies Include

4.2.1. • Recycling

4.2.2. • Regulating manufacturing processes

4.2.3. • Extending the life of computers

4.2.4. • Immediately donating or properly disposing of replaced computers

5. Personal Computers

5.1. - A personal computer can perform all of It’s input, processing, output, and storage activities by itself.

5.2. - Two popular architectures are the PC and the Apple.

5.2.1. • Desktop computer

6. Mobile Computers and Mobile Devices

6.1. - Notebook computer

6.2. - Tablet PC

6.3. - Smart phone

6.4. - PDA

6.5. - Handheld computer

6.6. - Portable media player

6.7. - Digital camera

7. Game Consoles

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

8. A world of computer

8.1. - Computers are everywhere.

9. What is a Computer?

9.1. - A computer is an electronic device, operating under the control of instructions stored in it’s own memory.

10. Networks and the Internet

10.1. - A network is a collection of computers and device connected together, often wirelessly , via communications device and transmission media.

10.2. - The internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational instructions, and individuals.

11. Computer Software

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

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

12. Supercomputers

12.1. - A supercomputer is the fastest, most powerful computer

13. Elements of an Information System

13.1. - Hardware

13.2. - Software

13.3. - Data

13.4. - People

13.5. - Procedures

14. Computer Applications in Society

14.1. - Education

14.2. - Finance

14.3. - Government

14.4. - Health Care

14.5. - Science

14.6. - Publishing

14.7. - Travel

14.8. - Manufacturing