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INTRODUCTION TO
INTERNETDefnition, History o
Internet, Functions,Dierent Services
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9H-T IS INTERNET:
• It is usually defned asInormation Superhighwaybecause you can fnd
almost all inormation youneed through it.
• It is also a computer
network made up othousands o networkworld wide.
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TRUTHS -BOUTINTERNET
• No governing body is in control o theInternet.
•
No one knows exactly how manycomputers are connected to the Internetalthough estimates are ongoing.
• It works on c(ient%server rc#itecture'
• !ll computers on the Internet uses TC)%I);Trnsmission Contro()rotoco(%Internet )rotoco(< tocommunicate.
•
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HISTOR= OF INTERNET
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HISTOR= OF INTERNET
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HISTOR= OF INTERNET
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HO9 INTERNET 9OR?S:
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FUNCTIONS OF INTERNET
• !s Source o Inormtion
• ! #eans o Communiction
• r@etin! & ! #edium 'hrough (hich to $onduct)usiness
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INFOR-TION
SU)ERHIGH9-= • *very piece o inormation stored inthe Internet has a uni+ue addressknown as UR. or Uniorm
Resource .octor'
• (hile a lot o inormation is reelyavailable it is also be viewed by
commodity and some inormationon the Internet is only available bysubscription.
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?EE)ING IN TOUCH
• Internet services like Newsgroups chat andvideo conerencing and *,mail providesthe Internet communication services.
•- 'ypes o $omputer Network
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-R?ETING -ND THE
INTERNET
r@etin! n* t#e Internet 'he Internet enables marketers to promote products and services to millions o potential customersthrough the (orld (ide (eb. 'his (eb site provides inormation about a product designed to keepvegetables resh.$ourtesy o ennis reen 0td.icrosot A Encrt A 5112' " 1223,-445 #icrosot $orporation. !ll rights reserved.
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INTERNET SERICES
• *,mail
• (eb pages and environment
• $hat and video conerencing
• News groups
• 6ile 'ranser 7rotocol
• atabases or inormation storage and
retrieval 8search engines9• *lectronic $ommerce and inventory
system
•
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Ei(
• *lectronic mail. ! service that sendsmessages on computers via local orglobal networks.
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9e+ )!es n*
Environment
• 'he (orld (ide (eb 8((( or (39 consists ofles called pages or web pages containing
inormation or links to resources throughoutthe Internet.
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C#t n* i*eo
Conerencin!• C#t is to exchange messages inreal time while a vi*eoconerence is a set o interactivetelecommunication technologieswhich allow two or more locationsto interact via two,way video andaudio transmissionssimultaneously with othercomputer users
•
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Ne&s Grou$s
• ! UseNet ne&s!rou$ is arepository usually within thesenet system or messagesposted rom many users indi;erent locations. 'he term may
be conusing to some because itis usually a discussion group.
Newsgroups are technicallydistinct rom but unctionallysimilar to discussion orums onthe (orld (ide (eb. Newsreader
sotware is used to readnewsgroups.
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Fi(e Trnser )rotoco(s
• 6'7 is an acronym or 6ile 'ranser 7rotocol. !sthe name suggests 6'7 is used to transer
fles between computers on a network.
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Serc# En!ines
• Search engines are sotwarethat make it possible to lookor and retrieve material onthe Internet. 7opular searchengines are !lta
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ECommerce
• *,$ommerce is conducting businessover the Internet and particularly
through (((.
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-SSIGNENT NO' 3
• i;erentiate Intranet rom *xtranet.
• (hat is IS7>• *numerate and describe di;erent IS7
connections.
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H-E - NICE D-= T#n@ you or (istenin!'
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