Chapter 1 : Basic Introduction to Computer

What is a computer?

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

The component of a computer- A computer contains many electric, electronic, and mechanical components known as hardware.       Example :

• Input Device

• Output Device

• System Unit

• Storage Device

• Communications Device

Advantages of using computersSpeed
Reability
Consistency
Storage
Communication
Disadvantages of Using Computers

• Health Risks

• Violation of Privacy

• Public Safety

• Impact on Labor Force

• Impact on Environment

• People use the Internet for Communicate, Research and Access Information, Shop, Bank and Invest, Online Trading, Entertainment, Download Videos, Share Information, Web Application and so on ...

Network and Internet :

• A network is a collection of computers and devices connected together, often wirelessly, communications devices and transmission media.
• The internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions and individuals.
• People use the internet for a variety of reason : 

1. Communicate 
2. research and access information
3. bank and inverst
4. online trading
5. entertainment
6. download videos
7. share information
8. wed application    

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