Lecture Internet

8/9/2019 Lecture Internet

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INTERNET


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INTERNET

is a global system ofinterconnected computer

networks that use thestandard Internet protocol

suite (TCP/IP)to link severalbillion devicesworldwide.


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G!"# $%$TE&


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INTERC!NNECTE


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$T#N'#R' INTERNET

PR!T!C! $ITE

$T#N'#R'Any norm,

conventionorrequirement.

PR!T!C! Protocol is anagreed-upon formatfor transmitting data

between two device


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INTERNET

It is a netor* o+ netor*sthatconsists of millions of private,

public, academic, business, andgovernment networks, oflocal toglobal scope, that are linked by a

broad array of electronic,ireless, and opticalnetor*ing tec,nologies


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NET-!R.$ !

NET-!R.$


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EECTR!NIC0

-IREE$$0 !PTIC#

N'ER-#TERC#"E

$P#CE $#TEITE


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1I$T!R% !

INTERNET


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C!&PTER$ -!R.$IN'EPEN'ENT%

2 PR!CE$$at a TI&E


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aror coldar+areis a

state of conict

between nationsthat does notinvolve directmilitary actionbut is pursued

primarily througheconomic and

politicalactions, propaganda, acts

of espionage or pr

o!y wars waged


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originalmission0establis,ed in24560 as to

preventtec,nologicalsurprise li*et,e launc, o+

$putni*0 ,ic,signaled t,att,e $oviets,ad beaten

t,e 7$7 into


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#RP#NETR#N'

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NET-!R.

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INTERNET


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T%PE$ ! INTERNETC!NNECTI!N$


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'ial8up (#nalog) 8 9:;; bpsto 5< .bps

"efers to connectinga device toa network viaa modem and apublic telephonenetwork. 'ial8up

access is really =ustli*e a p,oneconnection, e!cept

that the parties at the


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ISDN - Integrated Services DigitalNetwork (


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'igital $ubscribers ine ('$)8296 .bps to 9; &bps

#$% is frequentlyreferred to as an&alays on& connection

because it uses e!isting'-wire copper telephoneline connected to thepremise so service is

deliveredsimultaneously it,ired telep,oneservice -- it will not tieup your phone line as an


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$atellite Internet 8:49.bps upto 529 .bps7

$atellite Internet accessis Internetaccess provided through

communications satellites.


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Coa>ial Cable8 529 .bps to9; &bps

(hrough the use ofa cable modem youcan have abroadband Internetconnection that isdesigned to operate

over cable () lines.


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iber !ptic Cable Internet 8up to * +P$

(hrough the use ofa cable modem youcan have abroadband Internetconnection that isdesigned to operate

over cable () lines.


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$E$ ! INTERNET


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C!&&NIC#TI!N


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RE$E#RC1


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E'C#TI!N

C


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IN#NCI#TR#N$#CTI!N


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RE# TI&E P'#TE$


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EI$RE


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!NINE "!!.ING


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?!" $E#RC1


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"!GGING


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$1!PPING


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#'@#NT#GE$

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E$ !

INTERNET


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#dvantages o+ Internet

* Information on almost every subect imaginable.' Powerful search engines

/ Ability to do research from your home versus

research libraries.0 Information at various levels of study. 1verything

from scholarly articles to ones directed atchildren.

2 3essage boards where people can discuss ideas

on any topic. Ability to get wide range ofopinions. People can 4nd others that have asimilar interest in whatever they are interestedin.


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#dvantages o+ Internet

5 (he internet provides the ability of emails. 6ree mailservice to anyone in the country.

7 Platform for products like $89P1, which allow forholding a video conference with anyone in the worldwho also has access.

: 6riendships and love connections have been madeover the internet by people involved in love;passionover similar interests.

(hings such as 9ahoo Answers and other sites wherekids can have readily available help for homework.ommentary, on that news, from every conceivableviewpoint is also available.

'i d t +


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'isadvantages o+Internet*. (here is a lot of wrong information on the

internet. Anyone can post anything, and muchof it is garbage.

'. (here are predators that hang out on the

internet waiting to get unsuspecting people indangerous situations.

/. $ome people are getting addicted to theinternet and thus causing problems with their

interactions of friends and loved ones.0. Pornography that can get in the hands of youngchildren too easily.

2. 1asy to waste a lot of time on the internet. 9oucan start sur4ng, and then reali?e far more time

has passed than you reali?ed. Internet and


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'isad anta es o+


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'isadvantages o+Internet

5. Internet has a lot of &cheater& sites. People canbuy essays and pass them o@ as their own farmore easily than they used to be able to do.

7. (here are a lot of unscrupulous businesses thathave sprung up on the internet to takeadvantage of people.

:. ackers can create viruses that can get into yourpersonal computer and ruin valuable data.


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C!'

C!&PTING


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C!'

C!&PTING


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se t,e sub=ect Aeld to indicate content andpurpose7

C,ec* $pelling and Grammar o+ your e8mails7 #voidusing abbreviated ords or terms7

.eep messages brie+ and to t,e point7 se sentence case7D$I=+ A%% >API(A% %1((1"$ %EE8$

A$ I6 9EDC"1 $ED(I=+. 'onBt use e8mail as an e>cuse to avoid personal

contact7 'onBt send c,ain letters0 virus arnings0 or =un*

mail7 Remember t,at your tone canBt be ,eard in e8mail7

se proper punctuations and necessarygrammatical rules ,en e>pressing a point in an e8mail7

se a signature t,at includes contact in+ormation7


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'o unto ot,ersF GPleaseH and G(hank 9ousH do go along way. If you wanted to be respected you 4rst have togive respect.

"e niceF "emember, what you do on the internet is areection of you and quite possibly your business. e

positive and encouraging. =o one wants to be associatedwith a negative individual.

'on3t be too uic* to =udgeF 9ou know the oldsayingJ G#ont udge a book by its coverHK It still holdstrue today. Lhen meeting individuals online, you should

strike up a conversation, get to know them a bit beforeyou udge who or what they are. In social media and inmarketing, relationships matter. $tart building yourstodayM

"e respect+ulF Nust because you are GhidingH behind a

computer doesnt give you free reign to act as youlease. 9ou still need to treat eo le ro erl .


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'on3t be annoyingF #ont continue to send emails out everyhour on the hour. Its annoying and clutters up ones inbo!. If youdont hear back from an individual right away, give them sometime. $ome people arent surgically attached to their computerslike some of usM

Play by t,e rulesF e respectful of group and community rules.6ollow the terms of use of the social platform you are using.

'on3t abuse your netor*F Dse your network the right way.#ont post how your day is going to your network all day long. Itsunprofessional and quite frankly, unnecessary. If you must postsomething, post something of signi4cance that your network can

actually use, like a great social media link you ust found or somesort of tip, advice or quote you 4nd signi4cant.

#dd a proAle pictureF 1veryone likes to GseeH who they aretalking to. Its easy to do and having a picture on 4le does makeyou look more reputable and professional.

#bove all D don3t be too uic* to react7 People are trying to

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