[Computer Basics] Uri and URL

Uri: Uniform Resource Identifier
Unified Resource Identifier
A string used to specify a web resource. It defines different parts of a web resource.
Ex:
Http://example.org/absolute/URI/with/absolute/path/to/resource.txt
Ftp://example.org/resource.txt
URN: ISSN: 1535-3613

 

URL: Uniform Resource Locator
Unified Resource Locator
A URL is a type of Uri. It defines enough information about Web Resources (generally HTTP)
Generally
Ex:
Http://zh.wikipedia.org: 80/W/index. php? Title = Special: % E9 % 9A % 8f % E6 % 9C % Ba % E9 % a1 % B5 % E9 % 9d % A2 & printable = Yes
Five elements:
1. Transmission Protocol
2. Servers
3. Port Number
4. Path
5. Query