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Introduction to computer by Mind Map: Introduction to computer
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Introduction to computer

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Mobile Computers Personal computer you can carry from place to placeExamples include notebook computers, laptop computers, and Tablet PCsMobile

Advantages and Disadvantages of Using Computers

Advantages of Using Computers






Disadvantages of Using Computers

CommunicationsHealth Risks

Violation of Privacy

Public Safety

Impact on Labor Force

Impact on Environment

Networks and the Internet

A networkis a collection of computers and devices connected together, often wirelessly, via 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 reasons Communicate,Research and Access ,Information,Shop,Bank and InvestOnline, Trading,Entertainment,Download Music,Share VideosWeb, Application

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

The Components of a Computer

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

What Is a Computer?

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

Computer Software

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

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

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

Categories of Computers

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

Mobile Computers and Mobile Devices

Mobile Devices Computing device small enough to hold in your handExamples include smart phones, PDAs, handheld computers, portable media players, and digital cameras

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

Servers A servercontrols access to the hardware, software, and other resources on a network Provides a centralized storage area for programs, data, and information

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

Supercomputers A supercomputeris the fastest, most powerful computer

Embedded Computers An embedded computeris a special‐purpose computer that functions as a component in a larger product

Elements of an Information System






Computer Applications in Society




Health Care