A communication protocol allows different kinds of computers using different operating systems to communicate with one another. It is highly essential because internet is not made up of any single type of computer system. A Internet Protocol is a set of standards or rules for exchanging information between computer systems in a network. The most commonly used protocols are:
1. Transmission Control Protocol / Internet Protocol (TCP/IP)
2. File Transfer Protocol
3. Hyper Text Transfer Protocol (HTTP)
4. Telnet
5. Gopher
6. Wide Area Information Service (WAIS)
1. Transmission Control Protocol / Internet Protocol (TCP/IP)
This is the set of standards (Protocols) for data transmission and error correction that allows the transfer of data from one computer to another computer over Internet.
2. File Transfer Protocol (FTP)
FTP is the protocol or set of rules, which enables files to be transferred between computers.
3. Hyper Text Transfer Protocol (HTTP)
HTTP is an internet standard or set of rules that allows the exchange of information on the World Wide Web (W W W).
4. Telnet
Telnet is an internet protocol or set of rules that enables internet users to connect to another computer linked to the internet. This process is also called as remote login.
5. Gopher
Gopher is a protocol linked to the internet to search, retrieve and display documents from remote sites on the internet.
- Wide Area Information Service (WAIS)
WAIS stands for Wide Area Information Service. It is a program that permits the user to search information world wide based on a service of key words. WAIS has the capability of simultaneously searching in more than one database.
INTERNET ADDRESSING
Internet address is used to identify people computers and information related with internet.
IP Address
IP Address is required to communicate with other computers in the net. One must know the address of the computer to transfer files, send e-mail messages et.,
An IP (Internet Protocol) address is an identifier for a particular computer on a particular network. The IP address has the following common characteristic.
- IP address is unique numbers.
- No two computers can have the same IP number.
- IP addresses are also global and standardized.
Domain Name
A domain name is a name used to identify and locate computers connected to the Internet. No two organizations can have the same domain name.
Eg:- .com - Commercial Institutions
.edu - Educational Institutions
.org - Miscellaneous organizations not included above.
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