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Introduction to Computers by Mind Map: Introduction to Computers
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Introduction to Computers

A World of Computers

Computers are everywhere

What Is a Computer?

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

The Components of a Computer

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

Advantages and Disadvantages of Using Computers

Advantages of Using Computers

Disadvantages of Using Computers

Green computing involves reducing the electricity consumed and environmental waste generated when using a computer

Strategies include

Networks and the Internet

A network is 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

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

Computer Software

Software, also called a program, tells 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

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

Categories of Computers

Personal computers

Mobile computers and mobile devices

Game consoles




Embedded computers

Personal Computers

A personal computer can perform all of its input, processing, output, and storage activities by itse

Two popular architectures are the PC and the Apple

Mobile Computers and Mobile Devices

Mobile Computer

Mobile Device

Notebook computer

Tablet PC

Smart phone


Handheld computer

Portable media player

Digital camera

Game Consoles

A game console is a mobile computing device designed for single‐player or multiplayer video games


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


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


A supercomputer is the fastest, most powerful computer

Embedded Computers

An embedded computer is a special‐purpose computer that functions as a component in a larger product

Elements of an Information System






Examples of Computer Usage

Home User

Small Office/Home Office User

Mobile User

Power User

Enterprise User

Computer Applications in Society




Health Care





Video: Computer History in a Barn