of 2

January 6, 2018 | Author: Anonymous | Category: Engineering & Technology, Computer Science, Networking
Share Embed Donate


Short Description

Download of 2...

Description

Chapter 2 The Internet, The Web, and Electronic Commerce

College of Computer and Information Science

Key Words & Terms • address: 地址 • Advance Research Project Agency Network (ARPANET): 高级研究项目 代理网络 • applets: Java程序 • attachment: 附件 • auction house site: 拍卖网 站 • bot: 代理程序 • browser: 浏览器 • buddy: 好友

• business-to-business (B2B): 商家对商家 • business-to-consumer (B2C): 商家对消费者 • cable: 电缆 • carder: 信用卡盗用者 • Center for European Nuclear Research (CERN): 欧洲核能 源研究中心 • computer virus: 计算机病毒 • consumer-to-consumer(C2C): 消费者对消费者

College of Computer and Information Science

2-2

Key Words & Terms • dial-up: 拨号 • digital cash: 电子货币 • directory search: 目录搜 索 • domain name: 域名 • downloading: 下载 • DSL: 美国网络公司 • e-commerce:电子商务 • e-learning: 网络学习 • electronic commerce: 电 子商务 • electronic mail: 电子邮 件

• e-mail: 电子邮件 • file transfer protocol (FTP): 文件传输协议 • filter: 过滤器 • friend: 好友 • header: 邮件头 • hit: 点击 • Hyperlink: 超文本链接 • Hypertext Markup Language (HTML): 超文 本链接标记语言

College of Computer and Information Science

2-3

Key Words & Terms • instant messaging (IM): 即时消息 • Internet: 互联网 • Internet security suite: 网 络安全包 • Internet service provider (ISP): 网络服务供应商 • Java: 一种高级语言 • keyword search: 关键词搜 索 • link: 链接

• location: 位置(地址) • message: 消息 • metasearch engine: 原搜 索引擎 • national service provider: 国家网络服务中心 • online: 在线 • online banking: 网上银行 • online stock trading: 网上 股票交易

College of Computer and Information Science

2-4

Key Words & Terms • person-to-person auction site: 个人对个 人拍卖网站 • plug-in: 插件 • protocol: 协议 • search engine: 搜索引擎 • search service: 搜索服 务 • signature line: 落款 • social networking: 社会 网络 • spam: 垃圾邮件

• spam blocker:垃圾邮件 拦截器 • specialized search engine: 专用搜索引擎 • spider: 代理程序 • subject: 主题 • surf: (网上)冲浪 • top-level domain (TLD): 顶层域名 • Uniform resource locator (URL): 统一资源 定位

College of Computer and Information Science

2-5

Key Words & Terms • universal instant messenger: 通用即时消息 软件 • uploading: 上载 • Web: 万维网 • Web auction: 网络拍卖 • Web-based application: Web应用 • Web-based service: Web 服务 • Webmaster: 网站管理员

• Web page: 网页 • Web utility: 网络工具 • wireless modem: 无线 modem • wireless service provider: 无线网络服务中心

College of Computer and Information Science

2-6

Competencies (1 of 2) • Discuss the origins of the Internet and the Web • Describe how to access the Web using providers and browsers • Discuss Internet communications, including e-mail, instant messaging, and social networking

Page 28

College of Computer and Information Science

2-7

Competencies (2 of 2) • Describe search tools, including search engines and metasearch engines • Discuss electronic commerce, including B2C, C2C, B2B, and security • Describe Web utilities: Web-based applications, FTP, plug-ins, and filters

Page 28

College of Computer and Information Science

2-8

Introduction • The Internet is often referred to as the Information Superhighway because it connects millions of people across the globe. • Unlike a typical highway, the Internet moves idea and information. • The Web provides an easy-to-use, intuitive interface to connect to the Internet and is used by millions of people every day.

Page 29

College of Computer and Information Science

2-9

The Internet and the Web • Large network that connects smaller networks globally

• The Internet was Launched in 1969 – National computer network – US funded project called ARPANET

• World Wide Web or WWW was introduced in 1992 at CERN

Page 30

College of Computer and Information Science

2-10

Common Internet Uses • Communicating – Exchange e-mail – Discussion Groups

• Online shopping • Searching – Virtual Libraries

• Entertainment • Education or e-learning

Page 30

College of Computer and Information Science

2-11

Internet Access Providers • Common way to access the Internet • Commercial Internet Service Providers (ISP) – National Service Providers – Regional Service Provider – Wireless service providers

Page 31

College of Computer and Information Science

2-12

Browsers • Programs that provide access to Web resources • Allow you to surf the Internet • Three well-known browsers – Mozilla Firefox – Netscape Communications – Microsoft Internet Explorer

• Address or location of the resource must be specified – URL Page 31

College of Computer and Information Science

2-13

URLs • Uniform Resource Locators – All URLs have at least two parts • Protocol • Domain name

• Locates Web sites

Page 32

College of Computer and Information Science

2-14

More on Browsers • Browsers interpret HTML commands – Hypertext Markup Language – Contained in a document

• Display document as a Web page

Page 33

College of Computer and Information Science

2-15

Communication • Most popular Internet activity • Types of communication – Electronic Mail (E-Mail) • E-Mail Address • Spam

– Instant Messaging – Social Networking

Page 33

College of Computer and Information Science

2-16

Spam • Junk and/or unwanted Email • Computer viruses or destructive programs are often attached to unsolicited email • Spam blockers incorporate a myriad of approached to identify and control spam • Spam blockers are also referred to as: – Junk mail filters – Anti-spam programs

Return Page 35

College of Computer and Information Science

2-19

Search Tools • • • •

Search engines Metasearch engines Specialized search engines Tips – – – – –

Page 37

Start with the right approach Be as precise as possible Use multiple words Use Boolean operators Check your spelling College of Computer and Information Science

2-22

Electronic Commerce • Also known as e-commerce • Buying and selling of goods over the Internet – Business-to-consumer (B2C) – Consumer-to-consumer (C2C) • Web auctions – Business-to-business (B2B)

Page 42

College of Computer and Information Science

2-27

Business to Consumer • Fastest growing type of e-commerce • Three most widely used B2C applications: – Online banking – Financial trading – Shopping

Return Page 43

College of Computer and Information Science

2-28

Consumer to Consumer Web Auctions • Consumer-to-consumer e-commerce (C2C) • Similar to traditional auctions • Types – Auction house sites – Person-to-person auction sites

Page 44

College of Computer and Information Science

2-29

Business to Business • Involves the sale of a product or service from one business to another (B2B) • Primarily a manufacturer supplier relationship

Page 43

College of Computer and Information Science

2-30

Security • Payment methods must be fast, reliable, and secure • Three basic options – Checks – Credit card – Digital cash

Page 44

College of Computer and Information Science

2-31

Web Utilities • Specialized utility programs that make using the internet & web safer and easier – – – – –

Page 46

Web-based applications FTP Plug-Ins Filters Internet Security Suites

College of Computer and Information Science

2-32

Plug-Ins Acrobat Reader

www.adobe.com

Media Player

www.microsoft.com

QuickTime

www.apple.com

Real Player

www.service.real.com

Shockwave

www.adobe.com

Return Page 48

College of Computer and Information Science

2-33

Filters CyberPatrol

www.cyberpartrol.com

Cybersitter

www.cybersitter.com

IProtectYou Pro Web Filter

www.softforyou.com

Net Nanny

www.netnanny.com

Safe Eyes Platinum

www.safeeyes.com

Return Page 47

College of Computer and Information Science

2-34

Internet Security Suites • Collection of utility programs designed to maintain your security and privacy while on the web – McAfee – Norton

Page 48

College of Computer and Information Science

2-35

Careers In IT - Webmasters • Develop & maintain websites • Back-up of the company website, updating resources, and development of new resources • Work with the marketing department to increase the site traffic flow

Page 49

College of Computer and Information Science

2-36

A Look to the Future Homes of Tomorrow • “Smart” appliances in homes will have their own Web page • Refrigerators will be able to manage their inventory and automatically order to resupply • Internet cameras, wireless technologies, & high-speed internet will allow you to virtually monitor your home while on travel

Page 50

College of Computer and Information Science

2-37

Discussion Questions (Page 1 of 2) • Discuss the uses of the Internet. Which activities have you participated in? Which one do you think is the most popular? • What are the basic elements of an email message?

Page 57

College of Computer and Information Science

2-38

Discussion Questions (Page 2 of 2) • What is social networking? Describe the three types of social networking sites. • Describe the different types of search engines. Give an example of the type of search each engine is best for.

Page 57

College of Computer and Information Science

2-39

Crossword Puzzle Answers: Across Num.

Down Clue

Answer

Num.

Clue

Answer

1

The sites that a search engine returns after running a keyword search.

Hits

4

Special program written in Java.

Applet

5

Locates information online.

Search Engine

6

Location of Web resource.

URL

11

Program that provides access to Web

Browser

Provide users a connection to the Internet.

ISP

3

Unwelcome e-mail.

Spam

5

Explore the Web.

Surf

7

Internet uploading and downloading service.

FTP

8

Steals credit card information.

Carder

9

A file, such as a document or worksheet, that is attached to an e-mail message.

Attachment

10

Involves the sale of a product to another business.

B2B

13

Connection to Web resources.

Link

12

Used to block certain sites.

Filter

14

Process of transferring information from a remote computer to the computer one is using.

Downloading

14

Provides high-speed connection using existing telephone lines.

DSL

2

College of Computer and Information Science

2-40

Answers for Multiple Choice and Matching Num

Multiple Choice Answers

Matching Answers

1

d

i

2

a

d

3

c

g

4

c

e

5

a

f

6

a

c

7

a

h

8

a

j

9

d

a

10

b

b College of Computer and Information Science

2-41

The End of Chapter 2

College of Computer and Information Science

2-42

View more...

Comments

Copyright � 2017 NANOPDF Inc.
SUPPORT NANOPDF