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chapter 1 Introduction to computers by Mind Map: chapter 1
      Introduction
to computers
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chapter 1 Introduction to computers

computer

is an electronic device

Collects data (input)

Processing

Produces information(output)

The Components of a Computer

hardware

Input Device

Output Device

System Unit

Storage Device

Communications Device

Advantages and Disadvantages of Using Computers

Advantages

Speed

Reliability

Consistency

Storage

Communications

Disadvantages

Health Risks

Violation of Privacy

Public Safety

Impact on Labor Force

Impact on Environment

Networks and the Internet

network

is a collection of computers and devices connected together, wirelessly, via communications devices, media transmission

Internet

is a worldwide collection of networks that connects, businesses,, government agencies, educational institutions, individuals

use the Internet, Communicate, Research and Access Information, Shop, Bank and Invest, Online Trading, Entertainment, Download Music, Share Videos, Web Application

Computer Software

System Software

•Operating system

•Utility program

Application Software

Categoriesof Computers

Personal computers

mobile computers and Mobile devices, Game consoles, Servers, Mainframes, Supercomputers, Embedded computers

mobile computers and Mobile devices

mobile computers

can carry from place to place, notebook computers, laptop computers, Tablet PCs

Mobile devices

Computing device small enough to hold in your hand, smart phones, PDAs handheld computers, portable media players, digital cameras

Game consoles

is A mobile computing device designed for single player or multiplayer video games

Servers

A server controls access to the hardware, software,and other resources on a network

Mainframes

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

Supercomputers

is the fastest, most powerful computer

Embedded computers

Consumer Electronics

•Mobile and digital telephones

•Digital televisions

•Cameras

•Video recorders

•DVD players and recorders

•Answering machines

Home Automation Devices

•Thermostats

•Sprinkling systems

•Security monitoring systems

•Appliances

•Lights

Automobiles

•Antilock brakes

•Engine control modules

•Airbag controller

•Cruise control

Process Controllers and Robotics

•Remote monitoring systems

•Power monitors

•Machine controllers

•Medical devices

Computer Devices and Office Machines

•Keyboards

•Printers

•Faxes

•Copiers

Elements of an Information System

Hardware

Software

Data

People

Procedures

Computer Applications in Society

Education

Finance

Government

Health Care

Science

Publishing

Travel

Manufacturing