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compnetworking.about.com/od/.../l/blbasics_osi1.htm

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Posted by saqlain231

Deals with transmitting data on bits & also with electrical specifications.

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Posted by crouse

First layer which deals guided and unguided media

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Posted by waqqas1

it deals with transmitting data on bits & also with electrical specifications.

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Posted by Hash007

a layer which deals guided and unguided media

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Posted by HamidAliKhan

In the TCP/IP networking model, the physical layer is where 3 all packets are converted to electro or electro-optical signals to be carried over the local or external network.

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Posted by maveric