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