Internet & E-mail

Introduction To Internet

Internet

Internet

History

Advantages Of Internet

Advantages Of Internet

Disadvantage Of Internet

Disadvantage Of Internet

In format ion Trave l l ing Trough In ternet

R e q u i r e m e n t s Fo r C o n n e c t i n g To I n t e r n e t

ISP

To connect to the internet you must have an account

with ISP that allow you to access to the internet via

telecommunication line

They use special digital high speed line to contact

www

Mobitel SLT

Dialog

Airtel

Types Of Internet Connect ions

Dial-up Connections

Dial-up Connections

Leased Line( D e d i c a t e d l i n e )

Leased Line

ISDN( I N T E G R A T E D S E R V I C E S D I G I T A L N E T W O R K )

ISDN

ADSL( A s y m m e t r i c D i g i t a l S u b s c r i b e r L i n e )

ADSL

WWW

HTTP( H Y P E R T E X T T R A N S F E R P R O T O C O L )

This is the protocol that web browser is use to

request web pages, text , graphics, sounds,

animations from the server.

You can notify while browser is using http, On the

address bar the web address is starting with

http://www.google.com

FTP

FTP is the way of transferring data from one pace to

another location trough internet while you

downloading file trough internet it will use FTP to

copy file(s) form server(www) to your computer and

it is using by web developers to upload their web site

from their computer to web server computer.

URL( U N I F O R M R E S O U R C E L O C AT O R )

ULR is another name for web address. ULR contains

the protocol and name of the computer(server) you

wont to connect or ULR provide information used to

navigation trough the internet to access a page

http://www.google.com

ftp://www.idm.lk

Web Browser

Web Browser

Search Engines

Major Web Browser

E-mail

E-mail Providers

Creating E-mail Account

First go to web site that provide e-mail facility

Then select create new/sign up e-mail from select

web site

Fill the application by providing necessary

information

Accept the agreement.

Step 01

STEP 02

Send And Receive E-mail

To send or receive e-mails you must logon to your

user account

You can check your e-mails by clicking “inbox” and

to send e-mail

You can use “compose mail / new” link.(button)

To read e-mail click on the massage title

Sending E-mail

To send e-mail click on the compose mail/new

button

About E-mailing

Cc(Carbon copy)• When you send a carbon copy , the e-mail addresses

of the people receiving it appear on the massage for all recipients see

Bcc(Blind Carbon copies)• When you send blind carbon copy, the e-mail address

of the people receiving it do not appear on the massage for all recipients to see. This means recipients will not know who else has received the massage.

Features

Chat

Calendar

To do list

HTTP = Hyper Text Transfer Protocol

FTP = File Transfer Protocol

ISDN = integrated service digital network

ADSL = Asymmetric digital subscriber line

HTML = Hyper Text Markup Language

Cc = Carbon Copy

Bcc = Blind Carbon Copy

IP = Internet Protocol

TCP = Transmission Control Protocol

UDP = User Datagram Protocol

DNS = Domain Name System