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M cG raw -H i ll Technol ogy E ducati on 2006 by the M cG raw -H i ll C ompani es, I nc. A ll r i ghts r eser ved.
CHAPTE
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Discussthe originsof the I nternet and theWeb
Describe how to accessthe Web
DiscussI nternet communications
Describe I nternet search tools
Discusselectronic commerce
DiscussWeb utilities
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Large network that connectssmallernetworksglobally
Launched in 1969
National computer network
US funded project called ARPANET
World Wide Webintroducedin 1992 at CERN
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Communicating
Exchange e-mail
Discussion Groups
Shopping
Searching
Entertainment
Education or e-learning
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Common way to accessthe I nternet
Commercial I nternet Service Providers(I SP)
National
Regional
Wireless serviceproviders
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Programsthat provide accessto Web resources
Allow you to surfthe I nternet
Two well-known browsers
Netscape Navigator
M icrosoft I nternet Explorer
Addressor locationof the resource must be
specifiedU RL
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Uniform Resource Locator
All URLshave at least two parts
Protocol
Domain nameLocatesWeb sites
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Browsers interpret commands
H ypertext M arkup
Contained in a document
Display document asa Web page
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M ost popular I nternet activity
Typesof communication
E-M ail Address
Discussion Groups
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Transmission of electronic messagesover theI nternet
Basic parts
H eaderAddress
Subject
Attachment
M essage
Signature
I nstant M essaging
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M ailing lists
Newsgroups
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Someone who hascomprehensive knowledge about asubject
Wizard
A sequence of ongoing messageson the same subjectThread
Someone who aidsnew usersby answering questionsSaint
Request for discussionRFD
Reading newsbut not joining in to contributeLurking
I nsulting, putting down, or attackingFlaming
DescriptionTerm
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Search engines
M etasearch engines
Specialized search engines
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Specialized programsto assist in locatinginformation
Typesof searches
Keyword searchDirectory search
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www.vivisimo.comVivisimowww.search.comSearch
www.profusion.comProFusion
www.metacrawler.comM etaCrawler
www.mamma.comMamma
www.ixquick.comI xquick
www.dogpile.comDogpile
SiteM etasearch Service
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Also known ase-commerce
Buying and selling of goodsover the I nternet
Business-to-consumer (B2C)
Consumer-to-consumer (C2C)
Business-to-business(B2B)
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Virtual stores
Also called commerce servers
Help businessescreate virtual storesAllow visitorsto register,browse, and make purchase
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Consumer-to-consumer e-commerce (C2C)
Similar to traditional auctions
Types
Auction house sites
Person-to-person
auction sites
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Payment methodsmust be fast, reliable, andsecure
Three basic options
ChecksCredit card
Electronic cash
E-cash
Cybercash
Digital cash
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Telnet
F TP
Plug-ins
Filters
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www.macromedia.comShockwave
www.real.comRealPlayer
www.apple.comQuickTime
www.microsoft.comMedia Player
www.adobe.comAcrobat Reader
SourcePlug-in
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I nternet2
A high bandwidth project for media-intensivefiles
Collaboration of universities, the government,
and private industry100 timesfaster than the I nternet
Not a separate I nternet
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Discussthe usesof the I nternet. Which activitieshave you participated in? Which one do you think isthe most popular?
Explain the differencesbetween the three typesofproviders.
What are the basic elements of an e-mail message?
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What are the typesof discussion groups? Describeany groupsyou participate in.
Describe the different typesof search engines. Givean example of the type of search each engine is bestfor.
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