Vault sync: 2021-11-03 21:41:46
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@ -12,4 +12,15 @@ Physical layer is responsible for this conversion. The Physical layer deals with
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You could say the physical layer is a bridge between real life and software.
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You could say the physical layer is a bridge between real life and software.
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## Waves
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## Waves
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Waves, like you would see on a lake, or in electrical cables are made when a physical quantity changes in the form of a moving ridge.
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Waves by them self store no real information.
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## Signal
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A signal is a wave that holds information. (wave + data = signal)
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## Encoder
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A encoder converts
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![[Pasted image 20211103214144.png]]
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