uniform resource locator(URL) and URL Component

uniform resource locator:

 i) url stands for uniform resource locator

ii) a uniform resource locator in the address of resource on the internet

iii) a url indicate the location of a resource as well the protocol used to access it.

iv) a URL contain following information

a) the protocol  used to a access the resources

b) the location of the server

c) the port number of the server etc. 

URL Component

 

i) protocol: the protocol is the client/server program used to retrieve the document, many different protocol can retrieve the document. The most commonly use today HTTP.

ii) host : the host is the computer on which the information is located . although the name of the computer can be alias.

Iii) port; the url can optionally contain the port number of the server. If the port is included , it is inserted between host and path and it is separated from host by a colon

iv)path : path is the path name of the file where the information is located.