Internet Addresses

Everything you need to know!

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Parts of the URL

• Protocol

• Web Server

• Second Level Domain

• Top Level Domain

• Path to a file

• Actual File

• File Type

Internet Addresses[1]http:// [2]www[3].somewhere [4].edu/[5]thisis/apath/toa/[6]file.[7]html

[1] Transfer Protocol-Communication system used to transfer data over networks. – Examples: http-Hypertext Transfer Protocol

ftp-File Transfer Protocol

• [2]Web Server or host computer where page is located. – Allows others to access their drives, folders, and files.– Most Urls begin with this , but not always.

• http://cdsweb.cern.ch/

• [3] Second Level Domain Name– Path name tells where the file is found.– Examples: Disney, Yahoo, Google

• [4] Top Level Domain Name

-Examples: .com, .edu, .org

Internet Addresses

[1]http:// [2]www[3].somewhere [4].edu/[5]thisis/apath/toa/[6]file.[7]html

•[5] Path to a file

–a site may have many directories, or none at all

•[6]Actual file name.

‾This is the file that is being used.

•[7] File Type

•The kind of file the user is looking at.

Top Level Domains

• .com

• .edu

• .org

• .net

• .mil

• .gov

• .biz

Domain Name

• Second Level Domain + Top Level Domain– loc.gov

Country Code

http://public.web.cern.ch/Public/Welcome.html

State Codes

http://www.pendleton.or.us/

URL Excercise

• http://www.paris.org/musees/Louvre/

• http://www.cs.indiana.edu/docproject/

• http://www.netlinks.net/netlinks/spot.html

• http://www.greatdomains.com

• http://www.logicalchoice.com.au• http://library.usask.ca/hsl/presentations/ptnet/url.html

ID URL Exercise

Big Changes in TLDs!

Shareware

What does this tell you?http://www.ariadne.ac.uk/

the home page of a website from Great Britainhttp://www.ariadne.ac.uk/issue13/

the 13th issue of an online journalhttp://www.ariadne.ac.uk/issue13/music/

an online article about music

http://www.cofe.anglican.org/lifeevents/funerals/Funerals in the Anglican Church of Englanda page deep within a site