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el internet

point-to-point

this mode of conferencing connects two locations only

world wide web

www is also known as w3 , it offers a way to access documents spread over the several serves over the internet 

information retrieval services

FTP

enable the users to transfer files

Archie

its update database of public FTP sites and their content .it helps to search a file by by its name

Gopher

used to search ,retrieve , and display documents on remote sites

Veronica

is gopher based resource . it allows access to the information resource stored on gopher server

multi-point

this mode of conferencing connects than two locations (multi-point control unit)

video conferencing

or video teleconferencing is a method of communicating by two-way video and audio transmission withj help of telecommunication technologies

web services

web services allow exchange of information between applications on the web . using web services , applications can easing interact with each other

communication services

Electronic mail

used to send electronic messages through the Internet, occupies the position number one as the most popular service offered on the Internet and has become one of the favorite methods of communication



Telnet

used to log on to a remote computer connected to the internet, which allows to initiate section and use programs on a remote computer, must be enabled in the user's access rights to the computer and for security reasons does not allow many servers

Newgroup

offers a forum for people to discuss issues of common interest and is derived from the email, it is possible to follow the discussion on any subject

File Transfer Protocol

it was the only way to transfer large files between the computers of internet users, check the contents of the hard disk and copy necessary files



Internet Relay Chat

allows people from all over the world to communicate in real time and also allows other users to be hooked to the same channel and see the text they write

Internet Telephony

allows the internet users to talk across internet to any pc equipped to recive the call

Instant Messaing

offers real time chat between individuals and group of people eg . yahoo messenger , msn messenger