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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

Objectives Overview

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 computersDefine

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 computers

Discuss how society uses computers in education, finance, government, health care, science, publishing, travel, and manufacturing

A World of Computers

Computers are everywhere

What Is a Computer?

A computeris 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

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

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

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

Servers

Mainframes

Supercomputers

Embedded computers

Elements of an Information System

Hardware

Software

Data

People

Procedures

Computer Applications in Society

Education

Finance

Government

Health Care

Science

Publishing

Travel

Manufacturing

Summary

Basic computer concepts

Components of a computer

Networks, the Internet, and computer software

Many different categories of computers, computer users, and computer applications in society

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