Introduction to the World of Computers--计算机世界简介课件
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• Microcomputers in the early 1980s上世纪80年代早期的微机 – Inexpensive personal computers不昂贵的个人电脑 – Computer use increased dramatically计算机使用（率）极大地提高
6
Computers in Your Life
用途
7. Explain what a network, the Internet, and the World Wide Web are, as well as how computers, people, and Web pages are identified on the Internet.解释网络、因特网、万维网，同时说明因特网中如何识别
4. Identify the major parts of a personal computer, including input, processing, output, storage, and communications hardware.识别个人计算机的主要组成，包括输入、处理、输出、存储和通信硬件
5
Computers in Your Life
• Before 1980在上世纪80年代以前 – Computers were large and expensive庞大而且昂贵 – Very few people had access to them很少有人能接触它们 – Computers were mostly used for high-volume processing tasks主要用于大批量处理任务
• Today现在 – Nearly 90% of US households include a computer, and most use computers at work接近90%的美国家庭拥有计算机，大部分用于工作 – Electronic devices are converging into single units with multiple capabilities电子设备正把各种功能融合到单个设备中 • Check e-mail on living room 在客厅的电视机上收电子邮件 television • View Internet content on mobile 在移动设备上查看互联网内容 devices – Computer literacy is an essential skill for everyone计算机文化（知
3
OvBiblioteka Baidurview内容概览
• This chapter covers:本章内容涵盖 – What computers are, how they work, and how they are used – Computer terminology计算机术语 – An overview of the history of computers计算机历史概览 – The basic types of computers in use today如今使用的计算机的基本类型 – How to access resources on the Internet如何访问互联网资源 – Societal impacts of computers计算机的社会影响
了解计算机Understanding Computers
现在的和未来的Today and Tomorrow
综合了解Comprehensive
Chapter 1
Introduction to the World of Computers
计算机世界简介
Learning Objectives学习目标
1. Explain why it is essential to learn about computers today and discuss several ways computers are integrated into our business and personal lives.解释为什么有必要了解今天的计算机，讨论计算机融入我们的
计算机、用户和网页
8. Describe how to access a Web page and navigate through a Web site.描述如何访问一个网页并通过网站进行导航
9. Discuss the societal impact of computers, including some benefits and risks related to their prominence in our society讨 . 论计算机的社会影响，包括益处与风险，与它们在社会中的重要程度联系起来（思考）
5. Define software and understand how it is used to instruct the computer what to do.阐明软件并理解它如何指挥计算机做什么
2
2
Learning Objectives
6. List the six basic types of computers, giving at least one example of each type of computer and stating what that computer might be used for.列举6种基本的计算机类型，每种类型给出一个例子并阐述其
业务和个人生活的方方面面
2. Define a computer and describe its primary operations.阐明计算机
并描述它的基本操作
3. List some important milestones in computer evolution.列举计算机
演变史中的一些重要里程碑
4
4
Computers in Your Life生活中的计算机
• Why learn about computers?为什么学习计算机相关（知识） – Pervasive computing 普适计算 • Also known as ubiquitous computing也称作无处不在的计算 • Computers have become an integral part of our lives计算机变成我们生活的必要组成部分 – Basic computer literacy基本的计算机文化（知识） • Understanding what a computer is and how it works理解计算机是什么，它如何工作
6
Computers in Your Life
用途
7. Explain what a network, the Internet, and the World Wide Web are, as well as how computers, people, and Web pages are identified on the Internet.解释网络、因特网、万维网，同时说明因特网中如何识别
4. Identify the major parts of a personal computer, including input, processing, output, storage, and communications hardware.识别个人计算机的主要组成，包括输入、处理、输出、存储和通信硬件
5
Computers in Your Life
• Before 1980在上世纪80年代以前 – Computers were large and expensive庞大而且昂贵 – Very few people had access to them很少有人能接触它们 – Computers were mostly used for high-volume processing tasks主要用于大批量处理任务
• Today现在 – Nearly 90% of US households include a computer, and most use computers at work接近90%的美国家庭拥有计算机，大部分用于工作 – Electronic devices are converging into single units with multiple capabilities电子设备正把各种功能融合到单个设备中 • Check e-mail on living room 在客厅的电视机上收电子邮件 television • View Internet content on mobile 在移动设备上查看互联网内容 devices – Computer literacy is an essential skill for everyone计算机文化（知
3
OvBiblioteka Baidurview内容概览
• This chapter covers:本章内容涵盖 – What computers are, how they work, and how they are used – Computer terminology计算机术语 – An overview of the history of computers计算机历史概览 – The basic types of computers in use today如今使用的计算机的基本类型 – How to access resources on the Internet如何访问互联网资源 – Societal impacts of computers计算机的社会影响
了解计算机Understanding Computers
现在的和未来的Today and Tomorrow
综合了解Comprehensive
Chapter 1
Introduction to the World of Computers
计算机世界简介
Learning Objectives学习目标
1. Explain why it is essential to learn about computers today and discuss several ways computers are integrated into our business and personal lives.解释为什么有必要了解今天的计算机，讨论计算机融入我们的
计算机、用户和网页
8. Describe how to access a Web page and navigate through a Web site.描述如何访问一个网页并通过网站进行导航
9. Discuss the societal impact of computers, including some benefits and risks related to their prominence in our society讨 . 论计算机的社会影响，包括益处与风险，与它们在社会中的重要程度联系起来（思考）
5. Define software and understand how it is used to instruct the computer what to do.阐明软件并理解它如何指挥计算机做什么
2
2
Learning Objectives
6. List the six basic types of computers, giving at least one example of each type of computer and stating what that computer might be used for.列举6种基本的计算机类型，每种类型给出一个例子并阐述其
业务和个人生活的方方面面
2. Define a computer and describe its primary operations.阐明计算机
并描述它的基本操作
3. List some important milestones in computer evolution.列举计算机
演变史中的一些重要里程碑
4
4
Computers in Your Life生活中的计算机
• Why learn about computers?为什么学习计算机相关（知识） – Pervasive computing 普适计算 • Also known as ubiquitous computing也称作无处不在的计算 • Computers have become an integral part of our lives计算机变成我们生活的必要组成部分 – Basic computer literacy基本的计算机文化（知识） • Understanding what a computer is and how it works理解计算机是什么，它如何工作