Chapter 1 : The introduction of the Computer

• Explain why computer literacy is vital to success in today’s world
• Define the term, computer, and describe the relationship between data and information
• Describe the five components of a computer
• Discuss the advantages and disadvantages that users experience when working with computers
• Define the term, network, and identify benefits of sharing resources on a network
• Discuss the uses of the Internet and World Wide Web
• Distinguish between system software and application software
• Differentiate among types, sizes, and functions of computers in each category
• Describe the role of each element in an information system
• Explain how home users, small office/home office users, mobile users, power users, and enterprise users each interact with computer
• Discuss how society uses computers in education, finance, government, health care, science, publishing, travel, and manufacturing

1. What is Computer - A computer is an electronic device, operating under the control of instructions stored in its own memory
2. The Components 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 Computers

-speed

-Reliability

-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 ...