The document discusses various internet technologies including the world wide web, electronic mail, video conferencing, mailing lists, newsgroups, telnet, and FTP. It provides details on each technology such as how the world wide web allows users to view and navigate between hyperlinked webpages, how electronic mail allows sending messages to multiple people simultaneously, and how FTP allows transferring files between computers. The document also covers differences between the three generations of the web (Web 1.0, 2.0 and 3.0 proposed as Web 3.0) and etiquette guidelines for using technologies like electronic mail and newsgroups.

1. Harsha E.C.
MLISc
CUANLIS 008
Calicut University

2.  world wide web
 Electronic Mail
 Video Conferencing
 Mailing List
 Newsgroups
 Telnet
 FTP

3. Abbreviated form of world wide web
Collection of websites
Born out by the experiment of hyper- linking
various loosely related documents.
www?

4. 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.

5. 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

6. 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.

7. 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

8. continued
Web 3.0
o Suggested name by John Markoff of the Newyork
Times for the third generation of the web
o All the application on web upgraded with more
features
o More connected , open and intelligent

9. 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)

10.  Audience
 Currency
 Design
 Authority
 Content
 Objectivity
 Affiliation

11.  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

12.  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

13.  Information overload
 Lack the personal touch
 Chance for misunderstanding
 Steal of information
 Spam messages
 Virus attack

14.  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

15.  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

16.  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.

17.  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…..

18.  Never become involved in war of words
 Try to stay calm
 Keep politeness

19.  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.

20.  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

21.  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.

22.  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