essay on internet services
Answers
Question:-
Essay on internet services.
Solution:-
Working with Internet does not mean just browsing www and sending and receiving e-mails. The Basic Structure of the Internet was developed through last 30 years of existence of the Internet. The Internet is a heterogeneous worldwide network consisting of a large number of host computers and local area networks. The Internet uses the TCP/IP suite of protocols. This allows the integration of a large number of different computers into one single network with highly efficient communication between them. This way, the user can access information on all kinds of host computers from a desktop PC, Macintosh, or whatever he/she has available. TCP/IP, the communication standard underlying the Internet, originates.
In the second group, the user turns to the Internet-service in search for some particular information. Communication services can roughly be compared to a telephone call, information services to a dictionary .The most important communication services on the Internet are electronic mail, Netnews and some derived services. Major information services are terminal emulation and file transfer, Gopher, WAIS, and World Wide Web.
Electronic mail is the most popular and widely used network service. It can be viewed as the electronic equivalent to a regular mail letter. When one user wants to send a message to another Internet user, he types the message into a special computer program, adds the e-mail address of the recipient, and sends the message off through the network. Typically, the message reaches its destination almost immediately, even when it is on another continent. Practically all gateways between the Internet and other computer networks can handle e-mail messages. Therefore, many more people can be reached by e-mail than are connected to the Internet via TCP/IP. The major advantage of e-mail over regular mail is that an e- mail message comes in electronic form. Therefore, it can easily be handled and interpreted by a computer program. This feature is use by electronic discussion lists. They operate a database of subscribers and each incoming e-mail message is automatically distributed to each