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p. 2. 2

Chapter 2 Objectives

Discuss how the Internet works

Understand ways to access theInternet

Identify a URL

Know how to search forinformation on the Web

Describe the types of Webpages

Define Webcasting

Describe the uses of electroniccommerce (e-commerce)

Identify the tools required forWeb publishing

Explain how e-mail, FTP,newsgroups and message

boards, mailing lists, chat roomsand instant messaging work

Identify the rules of netiquetteRecognize how Web pages use

graphics, animation,audio,

video, and virtual reality

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message board

instant messaging

file transfer

e-

mail

Web

The Internet

What are some of the services found onthe Internet?

p. 2.3 Fig. 2-1

chat

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History of the Internet

p. 2.3

Goal:Tofunction even ifpart of the network

were disabled or

destroyed

Became

functional

in

September1969

Goal:

To allow scientists at

different locations to

share information

and work togetheron military and

scientific projects

How did the Internet originate?

ARPANET

Networking project

by Pentagons

Advanced Research

Projects Agency(ARPA)

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What is a host node?

Also called a hub

Any computer that

directly connects to a

network Often stores and

transfers data and

messages

Provides networkconnections for other

computers

Four original nodes

on ARPANETp. 2.4

University ofCalifornia at

Los Angeles

University of

California at

Santa Barbara

University of

Utah

Stanford

Research

Institute

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Today

More than 100 million host nodes


How has this network grown?

p. 2.4

1984

More than 1,000 host nodes

1969

Four host nodes

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What is NSFnet?

p. 2.4

The National Science Foundations network

Five supercomputer centers

Connected to ARPANET in 1986

NSFnet ARPANET

The Internet

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Government

Cable

companies

Satellite

companies

Telephone

companies


Who provides the structure for the Internet today?

p. 2.4

Networks from

corporations,

commercialfirms, and other

companies

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World Wide Web

Consortium (W3C)

Oversees research and

sets standards and

guidelines

Internet2 (I2)

Internet-related research

and development project

Develops and tests

advanced Internet

technologies


Who controls the Internet?

The Internet is a public, cooperative, and

independent network

No single entity controls or owns the Internet

Several organizations advise and define

standards

p. 2.4

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How the Internet Works

What is an Internet Service Provider (ISP)? A business that

has a permanent

Internet connection

Providestemporary

connections to

individuals and

companies for freeor for a fee

p. 2.5

Regional ISP

Provides access to the

Internet through one or

more telephone numberslocal to a specific

geographic location

National ISP

Provides local telephone

numbers in most major cities

and towns nationwide

May also provide a toll-free

number

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What is a point of presence (POP)?

p. 2.5

An access

point on the

InternetAccessed by

dialing a

telephone

number Select a serviceprovider with at

least one local

POP telephone

number

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Wireless Service

Provider

Company that

provides wirelessInternet access

Online Service

Provider(OSP)

Supplies Internet

access

Has many members-

only features that

offer special content


What are other service providers?

p. 2.5

Click to view Web Link

then click Service Providers
http://scsite.com/dc2002/default.cfm?chap=2

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Company on the Cutting

Edge

America Online

Worlds leading online service provider

Services include electronic

mail, software, computer

support services,

Internet access

p. 2.6


then click AOL

Founded in 1985

by Stephen M.Case
http://scsite.com/dc2002/companies.htm

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What are ways to access the Internet?

1

local call

long-distance call

1

2

local call

local call

long-distance calltoll-free call

1

2

3

local call

local call

local call

long-distance call toll-free call


p. 2.5 Fig. 2-2

1 Regional

Internet

Service

Providers

POP

2 National

Internet

ServiceProviders

POP

3 Online

Services

Local POPOnline

Service

(specialmembers-only

content)

4 Wireless

Internet

ServiceProvider

41

2

3

local call

local call

local call

local call

long-distance call toll-free call

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High speed connection Employees and students

Computers part of a local area network (LAN)

Connect to service provider through a high-speed

connection line leased from local telephone company


How can you connect to the Internet?

p. 2.6

Dial-up access

Home or small business

Computer , modem, regular telephone line

Dial into an ISP or OSP

Newer high-speed technologies Home and small business

Digital subscriber line (DSL)provides connections over

regular copper telephone line

Cable modem- provides connection through cabletelevision network

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Backbone Inner structure

of the Internet Communications

lines that carrythe heaviestamount of traffic


What are three parts of an Internet connection?

p. 2.6

Server Computer that

manages theresources on anetwork

Provides acentralized storagearea for resourcessuch as programsand data

Also called a hostcomputer

Client Computer that

can access thecontents of thestorage area onthe server


then click Backbone

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How might data travel the Internet using atelephone line connection?

Step 1Step 1Step 2

Step 1Step 2

Step 3

Step 1Step 2

Step 3

Step 4

RegionalISP

Step 1Step 2

Step 3

Step 4

Step 5

RegionalISP

National

ISP

Step 1Step 2

Step 3

Step 4

Step 5

Step 6

RegionalISP

National

ISP

National ISP

Internet

backbone

Step 1Step 2

Step 3

Step 4

Step 5

Step 6

Step 7

RegionalISP

Local ISP

National

ISP

National ISP

Internet

backbone


p. 2.7 Fig. 2-3

Step 1Step 2

Step 3

Step 4

Step 5

Step 6

Step 7

Step 8

RegionalISP

Local ISP

National

ISP

National ISP

Internet

backbone

1: You initiate an

action to requestdata from the

Internet.

2: A modem convertsthe digital signals

from the computer

into analog signals,

which are

understood by

telephone lines.

3: Data (request)travels through

telephone lines to a

local ISP.

4: Data may passthrough one or

more routers

before reaching its

final destination.

5: The regional ISPuses lines, leased

from a telephone

company, to send

data to a national

ISP.

6: The national ISProutes data across

the country to

another national

ISP.

7: Data moves from anational ISP to a

local ISP and thento a a destination

server.

8: The serverretrieves the

requested data and

sends it back

through the

Internet backbone

to your computer.

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What is an Internet protocol (IP) address?

Number that uniquely identifies each computer ordevice connected to the Internet

Four groups of numbers, each separated by a period

Number in each group is between 0 and 255

p. 2.8 Fig. 2-4

IP address 199.95.72.10

first part

identifies

network

last partidentifies

specific

computer

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What is a domain name?

Text version of an IP address

Components are separated by periods

Each domain name represents one or more IPaddresses

p. 2.8 Fig. 2-4

IP address 199.95.72.10

Domain name www.scsite.comidentifies

top-level

domain

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What is a top-level domain (TLD) abbreviation?

Identifies the type of organization associated

with the domain

Sometimes called dot comwhen TLD is com

p. 2.8 Fig. 2-5

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Internet Corporation for Assigned

Names and Numbers (ICANN)

Group that assigns and controls TLDs


What systems control domain names?

p. 2. 8

Domain name system (DNS)

System on the Internet that stores the

domain names and their correspondingIP addresses

DNS server

Translates the domain

name into its associated IP

address

Th W ld Wid W b

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The World Wide Web

What is the World Wide Web (WWW)? Also known as the Web

A worldwide collection of electronic documents

Each document on the Web is called a Web page

Can contain text, graphics, sound, and video

Can contain built-in connections to other documents

A Web siteis a collection of related Web pages

p. 2.9

The World Wide Web

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The World Wide Web

What is a Web browser?

Also called a browser

Software program that allows you to access and

view Web pages

p. 2.9 Fig. 2-6

Two popularbrowsers forpersonalcomputers Netscape Internet

Explorer

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How can you establish a connection and start the Web

browser?

Step 1

Internet

Explorer icon

Step 1

Step 2

Step 1

Step 2

Step 3

The World Wide Web

p. 2.10 Fig. 2-7

1 Double-click anicon on the

desktop, such as

Internet Explorer,

to start your

browser.

2 If you are notconnected to the

Internet already,

your computerattempts to

establish a

connection with a

service provider.

If necessary, click

the Connect

button.

3 Connection to theInternet occurs

and a home page

displays. Shown

here is an AOL

home page. Your

home page mayvary.

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The World Wide Web

What is a home page? Starting page for a browser Provides information about the sites purpose and

content

p. 2.10

Some Websites also refer

to their

starting page

as a home

page

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The World Wide Web

What is downloading?

p. 2. 11

The process of receivinginformation, such as a Webpage, onto your computer

from a server on the Internet

Can take from a few seconds

to several minutes

You can speed up the display of pages by

turning off the graphics and displaying only

text in most Web browsers

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Microbrowser for a Web-

enabled handheld computer

Microbrowser for a

Web-enabled

cellular telephone

The World Wide Web

How do Web-enabled handheld computers

and devices access the Web? Use a special type

of browser designedfor their smallscreens

Microbrowsersoftware programthat accesses anddisplays Web pages

that contain mostlytext

Also called aminibrowser

p. 2.11 Fig. 2-8

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The World Wide Web

What is a hyperlink?

Also called a link

Built-in

connection toanother relatedWeb page or partof a a Web page

Allows you toobtain informationin a nonlinear way

p. 2.12

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The World Wide Web

How can you identify a link?

Link can be a word, phrase, or image

Text links usually are underlined or in a color

different from the rest of the document

A graphical link may change its appearance when

you point to it

p. 2.12

The shape of the pointer on

the screen changes to a

small hand with a pointing

index finger when you

position it on a link or point

to the link

Click the link to activate it

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pointer

Some linksdisplay a

different color

when you point

to them. Click

the link to

display its

associated

Web site or

Web page.

pointer

Some links are

underlined.

Click the link to

display the

associated

Web site or

Web page.

pointer

Some links are

graphicalimages. Click

the link to

display its

associated

Web site or

Web page.

The World Wide Web

p. 2.12 Fig. 2-9

How do you navigate a variety of links?

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The World Wide Web

What is surfing the Web?

Links can point to an item on the same Webpage, a different Web page at the same Web site,

or a separate Web page at a different Web site in

another city or country

p. 2.12

The activity of jumping fromone Web page to another is

surfing

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The World Wide Web

What is a Uniform Resource Locator (URL)?

Unique address for a Web page

Browser retrieves a Web page by using the URL

Also called a Web address

Type the URL into the address text box on the browser

and press the Enter key to display a Web page

p. 2.13 Fig. 2-10

http://www.nationalgeographic.com/travel/index.html

address

text box

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The World Wide Web

What are the parts of a URL?

p. 2.13 Fig. 2-10

protocol domain name path



then click URLs

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The World Wide Web

What is a Web server?

A computer that delivers

(stores) Web pages you request

The same Web server can store

multiple Web sites

p. 2.13 Fig. 2-10


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The World Wide Web

What is a search engine?

A software program you can use to find Websites, Web pages and Internet files

p. 2.14

Search text

A word or phrase

entered in the search

engines text box

Also called keywords

Spider

A program that reads

pages on Web sites in

order to find Web

pages that contain the

search text

Also called a crawler

or bot

Click to view video

The World Wide Web
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The World Wide Web

What is a hit?

Any Web page name that listsas the result of a search

p. 2.14 Fig. 2-11

hit

363 hits

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The World Wide Web

What are some

widely usedsearch engines?

p. 2.15 Fig. 2-12

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The World Wide Web

What is a directory? An organized

set of topics

Used by asearch engine

to aid inlocating Websites

Each majortopic hasrelatedsubtopics

p. 2.15 Fig. 2-13

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The World Wide Web

What are the six basic types of Web pages?

p. 2.16

advocacy

Web page

informational

Web page

business/marketing

Web page

news

Web page

personal

Web pageportal

Web page

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The World Wide Web

What is an advocacy Web page?

Containscontent thatdescribes acause,

opinion,oridea

Purpose is toconvince thereader of thevalidity of thecause,opinion, oridea

p. 2.16 Fig. 2-14a

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The World Wide Web

What is a business/marketing Web page? Contains

content thatpromotes orsells

products orservices

Often allowyou topurchase

products orservicesonline

p. 2.16 Fig. 2-14b

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The World Wide Web

What is an informational Web page?

Contains

factual

information

p. 2.16 Fig. 2-14c

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The World Wide Web

What is a news Web page?

Containsnewsworthymaterial

Stories andarticles relatingto currentevents, life,money, sports,

and theweather

p. 2.17 Fig. 2-14d

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The World Wide Web

What is a portal Web page

Often called a

portal

Offers a variety

of Internetservices from a

single,

convenient

location

p. 2.17 Fig. 2-14e

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referencetools

sports and

weather

search

engine

The World Wide Web

What services are often found on a portal?

p. 2. 17

local ,national, and

worldwide

news

freepersonal

Web pages

e-mail

instant

messaging

calendars

shoppingmalls andauctions

newsgroups

or messageboards

chat rooms

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The World Wide Web

What is a Web community?

A Web site that joins a specific group of

people with similar interests or relationships

Usually offer special services to facilitate

communication among members

p. 2.17

newsgroup

or messageboard e-mail online

photo

albumschat

room

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The World Wide Web

What is a wireless portal?

A portal specifically designedfor Web-enabled handheldcomputers and devices

Attempt to provide allinformation a wireless usermight require

Services include searchengines, news ,stock quotes,

weather, maps, e-mail,calendar, instant messaging,and shopping

p. 2.17

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The World Wide Web

What is a personal Web page?

A Web pagemaintained bya privateindividual who

normally is notassociated withanyorganization

Reasons: job

hunting,sharing lifeexperience withthe world

p. 2.17 Fig. 2-14f

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virtual

reality

The World Wide Web

What is multimedia?

Any application that integrates text with

other elements

Often used for Web pages to add appeal

Multimedia Web pages often require more

time to download because they contain

large graphics and video or audio clips

p. 2.18

graphics

audioanimation video

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The World Wide Web

What is a graphic?

Also called agraphical image

A digitalrepresentation ofinformation suchas a drawing,chart, orphotograph

First media usedto enhance text-based Internet

p. 2.18 Fig. 2-15

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The World Wide Web

What are the formats for graphics files on the

Web?

p. 2.18 Fig. 2-16

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JPEG (JointPhotographic Experts

Group)

Graphical image that usescompression techniquesto reduce the file size

Smaller sizes result in

faster downloading ofWeb page

The more compressed thefile, the smaller the file,but the lower the quality

GIF (GraphicsInterchange Format)

Also uses compressiontechniques to reduce filesizes

Works best for images

with only a few distinctcolors, such as linedrawings, single-colorborders, and simplecartoons

The World Wide Web

Which two formats are most popular for the Web?

p. 2.19

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The World Wide Web

What is a thumbnail?

A small version ofa larger graphicalimage

Used becausegraphics files canbe time consumingto display

Usually click

thumbnail todisplay the full-sized image

p. 2.19 Fig. 2-17

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The World Wide Web

What is animation?

The appearance of motion

created by displaying a

series of still images in

rapid sequence

p. 2.19

Can make Web pages morevisually interesting or drawattention to importantinformation or links

Animated GIF usescomputer animation andgraphics software tocombine several imagesinto a single GIF file

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* * * * add interest with animation * * * *

The World Wide Web

What is a marquee?

Text that animates by

scrolling across the

screen

Pronounced mar-KEE

p. 2.19

* * * * add interest with animation * * * ** * * * add interest with animation * * * ** * * * add interest with animation * * * ** * * * add interest with animation * * * *

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The World Wide Web

What is audio?

Music, speech, or

any other sound

Individual sound

files that you

download to your

computer

p. 2.20

music

speech

othersound

Click icon to hear audio clip.

Press the Esc key to cancel.

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e o d de eb

What is MP3?

A popular technologythat compressesaudio

Reduces an audio fileto about one-tenth ofits original size whilepreserving the originalquality of the sound

MP3 file are easilycopied from the Web

p. 2.20

Click to view video

Controversy with respect to copyrightinfringement

The World Wide Web
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plays musicstored on CD

plays music

stored on

clik! disk

plays musicstored on CD

How can you play MP3 files?

Most currentoperating systemscontain a programcalled a player

plays audio in MP3files on yourcomputer

Portable audiodevices called MP3

players play MP3 files

stored on CD orminiature storage

media

p. 2.20 Fig. 2-18

Click to view

Web Link

then click MP3

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What is streaming audio?

Also called streamingsound

Enables you to listen tothe sound as itdownloads

Many radio and televisionstations use streamingaudio to broadcast

Two accepted standards

Windows Media Player

RealAudioacomponent ofRealPlayer

p. 2.21 Fig. 2-19

Click to view

Web Link

then click

Streaming Media

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What is video?

Consists of full-motion imagesthat are played

back at variousspeeds

Most video alsohas

accompanyingaudio

p. 2.22 Fig. 2-20

video

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What video formats are used on the Web?

p. 2.22

MPEG standard

(Moving Pictures

Experts Group) Individual video files

that you mustdownload completelybefore you can play

them on the computer

Streaming video

Allows you toview longer of live

video images ashey download toyour computer

Two widely usedstandards

RealVideoacomponent ofRealPlayer

Windows MediaPlayer

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What is a Web cam

Also called acam

A video camera

whose outputdisplays on aWeb page

Shows images

that changeregularly

p. 2.22

Web cam

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What is virtual reality (VR)? The use of computers to simulate a real or imaged

environment that appears as a three-dimensional (3D)

space

p. 2.22 Fig. 2-21

VR worlda 3-

D site thatcontainsinfinite spaceand depth

Used for games

as well asmany practicalapplications

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What is pull and push technology?

p. 2.23 Fig. 2-22

Pull

Obtaining information byrequesting it from a site

Relies on a client to

request a Web page froma server

Push

Server automaticallydownloads content to

your computer at regularintervals

ticker tape

pushed to

desktop fromMicrosoft

Investor Web

site

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What is Webcasting?

Another name for push technology

Delivers information at regular intervals without you

having to request it

Information can be viewed whether you are online or

offline

p. 2.23

ticker tape

pushed to

desktop fromMicrosoft

Investor Web

site

Electronic Commerce

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What is electronic commerce?

Also known as e-commerce

p. 2.24 Fig. 2-23

A financial

business

transactionthat occurs

over an

electronic

networksuch as the

Internet

Electronic Commerce

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What are the three types of e-commerce?

p. 2.25

Business to consumer(B-to-C or b2C)

Sale of goods to the general public

Consumer to consumer(C-to-C or C2C)

One consumer sells directly to another

Business to business

(B-to-B or B2B)

Businesses providing goods and services to

other businesses

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What are some features of e-commerce?

Electronic storefront

The place where a customer

visits an online business

Shopping cart Allows the customer to

collect purchases

Online auction

Site where you can bid on anitem being sold by someone

else

p. 2.25


then click e-Commerce

Technology Trailblazer

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Masayoshi Son

Helped to bring Japan to the forefront of thedigital age

Founded Softbank Corporation in 1981

p. 2.25


then click Masayoshi Son

By 1995, Softbankcontrolled one-half of thepersonal computersoftware in Japan

A leading memberof Japans PrimeMinisters ITStrategy Council

Web Publishing
http://scsite.com/dc2002/people.htm

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p. 2.26 Fig. 2-24

The development andmaintenance of Web

pages

Step 1Step 1 Step 2Step 1 Step 2

Step 3

Step 1 Step 2

Step 3Step 4

Step 1 Step 2

Step 3Step 4

Step 5

1 Plan: Think about issues that

could affect the design of theWeb site.2 Analyze and Design: Sketch a

design of the Web page on

paper.3 Create: Create the Web site in

a software package such as

word processing.4 Deploy: Copy (upload) the

Web site from your hard disk

to a Web server.5 Maintain: Visit and revise your

Web site regularly to be sure it

is working and current.

What is Web Publishing?

Web Publishing

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p. 2.28

Use a current wordprocessing program

Hardware

Digital camera

Scanner

Sound card

Microphone

PC camera

Software to prepare HTML

HTML (hypertext markuplanguage)

A set of special codes that

format a file for use as a Web

page

Created with either:

Word processing package

Web page authoring

software

What is needed for creating Web page?

Also called Web page authoring

Web Publishing

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What is a plug-in?

An additional program that extends thecapability of a browser

Many plug-ins can be downloaded at no cost

from the Web

p. 2.28 Fig. 2-25


then click Plug-ins

Web Publishing

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Upload, or copy,

the site to the

Web server

Locate a Web

server to store your

site

Provided by many

ISPs and OSPs at no

additional cost

Provided by a Web

hosting service for a

monthly fee

How do you deploy a Web site?

p. 2.29


then click Web Publishing

Web Publishing

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Apply to an

official registrar

for a specific

domain name

Register site with

search engines

Submission service:a Web-based

business that helps

register your site

WebmasterIndividual responsible

for maintaining a Web

site and developing Web

pages

What else might be needed to create a Web site?

p. 2.29


then click Submission Services

Other Internet Services

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What is e-mail?

Electronic mail

The transmission of messages and files via acomputer network

Use an e-mail program to work with messages

Messages can be simple text or include anattachment such as a graphical image or wordprocessing document

p. 2.31

create

receivestore

print

sendforward

delete

Click to view

Web Link

then click E-mail


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Step 1Step 1

Step 2

Step 1

Step 2

Step 3

Step 1

Step 2

Step 3Step 4

How do you

send an e-mailmessage?

p. 2.30 Fig. 2-26

Step 1

Step 2

Step 3Step 4

Step 5

1 Start an e-mail program and

point to the New Mail

Message button2 Click the New Mail

Message button to displaythe Message window

3 Enter the recipients e-mailaddress, the subject, and

the message in the Message

window

4 Click the Insert File button

to attach a JPG file

containing a picture to the

message. Locate the file on

your hard disk and click its

name. An icon for the file

displays. Click the Send

button to send the

message.

5 When Sally receives the e-

mail message, she opens

the JPG file to view the

picture.


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What is an Internet e-mail address?

A combination of a user name and a domain namethat identifies a user so he or she can receive

Internet e-mail

p. 2.31 Fig. 2-27

user name or user-ID

A unique combination of

characters that identifies you

at domain name

Identifies the mail server


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mail server

The server that contains the

mailboxes

How can you get e-mail?

Most ISPs and OSPs provide an Internet e-mailprogram and a mailbox on a mail server as astandard part of their Internet access services

Some Web sites provide e-mail services free ofcharge

p. 2.33

address book

Allows you to store a list of

names and e-mail addresses

mailbox

Storage location usually

residing on the computer

that connects you to the

Internet


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What is a POP server?

Post office protocol server

p. 2.32

When a message arrivesat the recipients mailserver, the message

transfers to a POP orPOP3 server

POP server holds an e-mail message until the

recipient retrieves it withhis other e-mail software

POP3 is the newestversion


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Step 1Step 1

Step 2

mail

server

Step 1

Step 2

Step 3

Internetrouters

mail

server

mail

server

Step 1

Step 2

Step 3

Step 4

Internetrouters

mail

server

mail

server

POP

server

How does an

e-mailmessagetravel?

p. 2.32 Fig. 2-28

Step 1

Step 2

Step 3

Step 4

Step 5

Internetrouters

mail

server

mail

server

POP

server

1 Using e-mail software,

you create and send a

message.2 Your software contactssoftware on your service

providers mail server.3 Software on the mail

server determines the

best route for the data

and sends the message,

which travels alongInternet routers to the

recipients mail server.

4 The mail server transfers

the message to a POP3

server.5 When the recipient uses

e-mail software to check

for e-mail messages, themessage transfers from

the POP3 server to the

recipients computer.


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p. 2.33 Fig. 2-29

file

download

window

What is FTP?

File Transfer Protocol

An Internetstandard

allows you toupload anddownloadfines with

othercomputers onthe Internet


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What are some FTP terms?

p. 2.33

FTP server

A computer that

allows users to

upload and

download filesusing FTP

FTP siteA collection of

files that reside on

an FTP server anonymous

FTPAnyone can

transfer some, if

not all, available

files


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Usenet

The entire collection of

Internet newsgroups

What is a newsgroup?

An online area in which users conduct written

discussions about a particular subject

A user sends a message to the newsgroup

Other users in the newsgroup read and reply

to the message

p. 2.33

News server

A computer that stores

and distributes

newsgroup messages

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What is a message board?

A type of discussion group that dos not requirea news reader

p. 2.34 Fig. 2-30

Also called a

discussion board

Click to view

Web Link

then click

Message Boards


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What is a

mailing list? A group of e-mail

names andaddresses given

to a single name When a message

is sent to amailing list, everyperson on the list

receives a copy ofthe message

p. 2.34 Fig. 2-31

Subscribe or unsubscribe to mailing list to add orremove your name from the mailing list

Some are known as LISTSERVs


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What is a chat?

A real-time typedconversation thattakes place on acomputer

Real-time means

that youand thepeople with whom youare conversing areonline at the sametime

A chat room is alocation on an Internet

server that permitsusers to chat

p. 2.35 Fig. 2-32


then click Chat Rooms

A chat client isa program onyour computerthat allows youto chat

Technology Trailblazer

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Lavonne Luquis

Journalist

Started LatinoLink,

the first general

interest Webmagazine for Latinos

Now known as

Latino.com

More that 280,000visitors each month

p. 2. Fig. 2-


then click Lavonne Luquis

http://scsite.com/dc2002/people.htm

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message sent from Karen to Katy

What is instant messaging (IM)?

A real-time Internetcommunications

service

Notifies you when

one or more people

are online Allows you to

exchange messages

or files or join a

private chat with

them

p. 2.36 Fig. 2-33

Katys response to Karen

Karens message

immediately displays

on Katys computer

screen because she is

online


then click Instant Messaging


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NetiquetteGolden Rule: Treat

others as you

would l ike them totreat you.

In e-mail groups and chat rooms:

Use emoticons to express

emotion

: ) Smile

: ( Frown

: l Indifference

:\ Undecided

:o Surprised


Use abbreviations for phrases

such as

BTW by the way

FYI for your information

FWIW for what its worth

IMHO in my humble opinion

TTFN ta ta for now

TYVM thank you very much

Read the FAQ (frequently asked

questions)

Use your user name for your

personal use only

Do not assume material is

accurate or up to date

Never read someones private

e-mail


Keep messages brief

Proper spelling and grammar Be polite

Avoid offensive language

Do not use all capital letters which is

the equivalent of SHOUTING!

Clearly identify a spoiler

Message that reveals a solution

to a game or ending to a movie or

program


Avoid sending or posting flames

Abusive or insultingmessages

Do not participate in flame wars

Exchanges of flames


Avoid sending spam

Internet junk mail Unsolicited message sent to

many recipients at once

What is

netiquette? Internet

etiquette

Code of

acceptable

behaviors

users should

followwhileon the Internet

p. 2.37 Fig. 2-34

Click to view video

Summary of the Internetand World Wide Web
http://localhost/var/www/apps/conversion/tmp/My%20Documents/Desktop/QSM505/Chap02/EETIQ.AVI

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and World Wide Web

The Internet


How the Internet works

The World Wide Web

Electronic commerce

Web publishing

Other Internet services

Netiquette

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Chapter 2 Complete