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Unit 2 - Individual Project 2A

Unit 2 - Individual Project 2A - Introduction to Computers...

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Introduction to Computers and Network Hardware 1 Running head: Introduction to Computers and Network Hardware The Operating System David Lee Watkins American Intercontinental University Online Professor Tastlie Campbell ITCO103-1005A-01 November 21, 2010
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Introduction to Computers and Network Hardware 2 The Operating System Information that is transmitted from the client (browser) and web server must pass through the Open Systems Interconnect (OSI) layers. The path that is taken starts at the application on the client PC, for example an e-mail program. This is then sent through the OSI layers from top to bottom and then is received by the far end web server that processes the data through their OSI layers from bottom to top. The OSI model works as follows. The data is created on the client PC and is then sent to the application layer (7th layer) that starts the communication between the application and the lower layer network services. This is a necessary in order for the network to interpret the software applications request. The application layer also allows the application to negotiate
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