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My New Mind Map by Mind Map: My New Mind Map
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My New Mind Map

What is computer

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

Components of Computer

Input Device : Allow you to ebter data and instructions into a computer

Output Device : Hardware component that conveys information to one or more people

System Unit : case that contains the electronic components of the computer that are used to process data

Storage Device : Holds data, instructions,and information for future use

Communications Device: Enables a computer to send and recieve data, instructions, and information to and from one or more computers or mobile device

Disadvantages of Using computer

Health Risks

Violation of Privacy

Public Safety

Impact on Labor Force

Impact on environment

Categories of Computers

Personal computers : a personal computer can perform all of its input, processing, output, and storage activities by itself

Mobile computers and mobile devices ex.Notebook computer, smart phone, portable media player

Game consoles is a mobile computing device designed for single-player or multiplayer video games

Severs : A sever controls access to the hardware, software, and other resource on a network

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

Super computer is the fastest, most powerful computer

Embedded computers is a spacial purpose computer that function as a component in the larger product

Computer Applications in Society

Education

Finance

Government

Health Care

Science

Publishing

Travel

Manufacturing

Advantages of Using computer

Speed

Reliability

Consistency

Storage

Communications

Elements of and Information system

Hardware

Software

Data

People

Procedures

Network and Internet

Network is a collection of computers and device connect together, often wirelessly, via communications device and transmission media

Internet is a worldwide collection of network that connects millions of business, government agencies, educational institutions, and individuals

Example of Computer Usage

Home user

Small office/Home office User

Mobile User

Power User

Enterprise User

Computer Software

Software, also call a program, tell the computer what tasks to perform and how to perform them

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