Harsha E.C.MLIScCUANLIS 008Calicut University

world wide web

Electronic Mail

Video Conferencing

Mailing List

Newsgroups

Telnet

FTP

Abbreviated form of world wide web

Collection of websites

Born out by the experiment of hyper- linking various loosely related documents.

www?

WWW is a system of interlinked hypertext

documents that are accessed via internet with a

web browser, one can view WebPages , That may

contain text, images, video and other multimedia

and navigate between them via hyperlinks.

Internet is a massive network of network

It connects millions of computer globally.

WWW is just a portion of the internet

It is a way of accessing information over

the medium of the internet.

e.g. www.google.com

HTML (Hypertext mark up language)

HTTP (Hypertext transfer protocol)

Web browser (programme that allow us to view

web pages . Internet explorer,

Firefox, Netscape are e.g.

Web 1.0

o most of the page were static

o There were only image and hyperlinks

o Readers or users were unable to contribute site

Web 2.0

o Page are not static

o Communication felicities , sharing contents

o Readers or user can contribute to site

continued

Web 3.0

o Suggested name by John Markoff of the Newyork Times for the third generation of the web

oAll the application on web upgraded with more features

oMore connected , open and intelligent

Web 1.0 Web 2.0 Web 3.0

The web Social web Semantic web

Read only web Read and write Read, write, execute

Information sharing interaction immersion

Connect information Connect people Connect knowledge

Static, one way publishing

Two way communication Curiously undefined

e.g. Shopping carts, mp3,com(personal websites)

Blog, wikis, social network as yahoo, you tube , face book

Semantic blog(semi blog hays tack)

Audience

Currency

Design

Authority

Content

Objectivity

Affiliation

Electronic Mail

Most popular activity performed on internet

Invented by Ray Tomlinson in 1971

First e-mail message- ‘’QWERTYULOP’’

Change in e- mail system

Header and Body

We can send message to several people at the

same time

Send messages from any where

Very easy to use

Fast

Global

Environment friendly

Help to build sound relationship

Information overload

Lack the personal touch

Chance for misunderstanding

Steal of information

Spam messages

Virus attack

Do not write using uppercase letter, IT IS

CONSIDERED SHOUTING ,as this)

Always include descriptive subject

o Some emotions

:-) a smile

:-( a frown

LoL laughing out loud

Discussion between two or more groups of people who are at different places but can see and hear each other

Conducted with the help of computers

Act as a conference hall

Expensive-in early time

Economical

Significant travel savings

Improved communication

Discussion groups

Members of the groups send messages to the

mailing list address, which is then awarded to all

members of the list . If other subscribers wish to

share their thoughts about views on the topic ,

they can just click on the reply button and add

their comments, which are again distributed to all

the subscribers of mailing list through distribution

of reply e-mail to every user’s mail box.

Academic in nature

Must have an e-mail account to participate

o WBTOLL-L is an example(discussed web based

training)

o LIS-FORUM

Library and information science professionals

Administered by NCSI

Located in Bangalore

Continue…..

Never become involved in war of words

Try to stay calm

Keep politeness

World wide discussion forum over internet on specific topic

Automatically delivered to all subscribers, where ever they may be in the world

Possible to attach sounds, video clips

Similarity to mailing list

Difference prevail in way of operation

Mailing list relay the message to our e-mail address, so we need to subscribe them to read the messages, but in news group , could be viewed by anyone as long as the service provider supplies the newsgroups.

Protocol, set of rules

Connect one computer to another

Remote login- another name

Developed in 1968

Allows the user to access internet resources on other computers around the world.

Library catalogue, data bases other internet tools such as FTP, gopher and www etc; are examples

Decreased popularity

Replaced webopacs instead of telnet in Library catalogues

File Transfer Protocol

Transmitting files between computers on the

internet

FTP is an application protocol that uses the

internet’s TCP/IP protocol

Used to download programmes and other files to

our computer from other servers

Using this, we can also update(delete, rename,,

move and copy files at a server, we need to

logon to an FTP server.

www, e-mail, Videoconferencing, Mailing list ,newsgroups, telnet , FTP - related to internet

WWW- world wide web

E-mail- Electronic mail

FTP - File transfer protocol

Telnet – remote login

Communication