Using the Internet. A Brief History 1969 – ARPANET created by US Govt. to link defense installations with major universities 1972 – First email 1982 –

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Presentation transcript:

Using the Internet

A Brief History 1969 – ARPANET created by US Govt. to link defense installations with major universities 1972 – First – TCP/IP is developed – MILNET separates from ARPANET Mid 1980s – NSFNET replaces ARPANET 1989 – WWW developed by Tim Berners-Lee

Timeline Continued 1993 – First Web browser, Mosaic 2006 – Over 92 million Websites are online

URL (Uniform Resource Locator) The address of a Web site. Ex:

Parts of a URL ProtocolDomain Name PathFile Name Protocol: method of data transfer; defined by rules http Hypertext Transfer Protocol ftp File Transfer Protocol

Parts of a URL Domain name: identifies the Web server Ex: ProtocolDomain Name PathFile Name

Parts of a URL Path: folder document is stored in Works like the paths (or folders) on your H drive ProtocolDomain Name PathFile Name

Parts of a URL File name: name of a Website file. Can be any file type including images, sound files, and documents like Word (.doc) and Adobe Reader files (.pdf) ProtocolDomain Name PathFile Name

Domain Suffixes:.com – commercial (for profit) based for business..com – commercial (for profit) based for business..gov - government agency.gov - government agency.mil - military agency.mil - military agency.org - business or independent organization,.org - business or independent organization, usually NOT for profit usually NOT for profit.int - large international organization like NATO.int - large international organization like NATO.net - large organization/network.net - large organization/network.edu - university or other educational facility.edu - university or other educational facility

Adding other initials after the domain identifies the country or country code..uk - United Kingdom.uk - United Kingdom.nz - New Zealand.nz - New Zealand.au - Australia.au - Australia.fr - France.fr - France.jp - Japan.jp - Japan.is - Iceland.is - Iceland.us - United States.us - United States

DNS (Domain Name Server) Converts Domain Names to IP Addresses Easier to remember the nameEasier to remember the name IP Address format: Ex:

Questions?