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Nivelul Fizic

April 18, 2009 Written by nicolae

Limba Română

Mediu: Cablu torsadat bifilar

Două fire de cupru izolate, răsucite elicoidal

Linie telefonică "standard"

cablu torsadat bifilar din categoria 3: poate transmite date la mai mulţi megabiţi/sec la o lungime de câţiva kilometri
cablu torsadat bifilar din categoria 5: Ethernet de mare viteză (100Mbit/sec) şi ATM (155Mbit/sec)

Mediu: Cablu pentru banda de bază

Transmisie digitală bidirecţionaţă pe cablu coaxial (de ex., Ethernet)

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Google Latitude localizează telefoanele mobile

February 4, 2009 Written by nicolae

nicolae's blog
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Miercuri, Google a landsat o aplicaţie care permite utilizatorilor de telefoane mobile şi alte dispozitive de telecomunicaţii fără fir sa fie automat localizate de prieteni şi familie.

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Software

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