Session Objective What is INTERNET ? Brief History of Internet. Services provided by Internet.
What is I N T E R N E T ? The largest network of networks in the world.
What is I N T E R N E T ? Continue…… A network of networks, joining many government, university and private computers together and providing an infrastructure for the use of E-mail, bulletin boards, file archives, hypertext documents, databases and other computational resources.
What is I N T E R N E T ? Continue…… The vast collection of computer networks which form and act as a single huge network for transport of data and messages across distances which can be anywhere from the same office to anywhere in the world.
Brief History of Internet ARPA – Advanced Research Project Agency. 1969 January 2 – started an experimental Computer Network. Concept – No Server, but equal importance/participation to every computer in the Network. Even if, one or two node destroyed that will not affect the Network.
Vinton Cerf Father of Internet Co-designer of the TCP/IP networking protocol.
Brief History of Internet Continue…… First named as ARPANET This is renamed as INTERNET • TCP/IP (Transmission Control Protocol/Internet Protocol)
Internet Services Electronic Mail (e-mail) World Wide Web File Transfer Protocol (FTP) Chat Rooms Mailing list Instant Messaging Chat News Groups
Electronic Mail (e-Mail) Distributes e-mail messages and attached files to one or more electronic mailboxes. Message can consist of attachment,graphic or video/audio clips. Eg:- e-mail addresses • firstname.lastname@example.org • email@example.com
Electronic Mail (e-Mail) Continue…… thomas @ mes . edu . inName of Person Organization Type of Organization Country murugan @ mesmarampally . org
Electronic Mail (e-Mail) Continue…… Different e-mail service providers • G-Mail • MSN • Yahoo Mail • Hot Mail
World Wide Web (W W W) Most important service provided by Internet. An internet-based hypermedia initiative for global information sharing. Developed in 1989 by Tim Berners-Lee of the European Particle Physics Lab (CERN) in Switzerland.
Tim Berners-Lee Father of W W W. Invented W W W while working at CERN, the European Particle Physics Laboratory.
Search Engines For searching information on the Internet. • Google • Yahoo • Altavista
WIKIPEDIA A wiki is a publishing platform on which many people can contribute new content and revise existing content. The content benefits from the collective knowledge of the contributors, so wikis can be very beneficial for group projects. Some businesses and organizations use wikis to maintain documents.
File Transfer ProtocoleInternet standard that allows you toupload and download from the othercomputer on the internet.
Chat Rooms Real time typed conversation via computers. Chat rooms ( the channel or mediun ).Chat clients ( program used to connect to a chat server ) Normally included on a browser Freely downloaded from the web Some are text only; others support voice & video
Instant Messaging Notifies you when one or more people are online allows exchange ofmessages and files. It allows you to join a private chat rooms.
Chat Real time conversation that takes place on a computer. Chat room is location on server that permits users to discus topics ofinterest Some are the text only others support voice and video
News Groups Online area in which users conduct written discussion about aparticular subject. Usenet ( collection of all internet newsgroups ). News server ( computer storing newsgroups msgs ). Newsreader ( program used to access newsgroups ). Articals ( a previously entered message ). Posting ( adding an article to the newspaper ). Message board ( discussion board; easier to use ). Blog ( short for the web log; regularly updated ).
Mailing list Group of e-mail address given a single name. When a message is sent to the mailing list everyone on the list receive themessage. To add your name to a mailing list you must subscribe to it; to remove yourname you must unsubscribe.