cmc
DESCRIPTION
Presentacion sobre la Revolucion Tecnologica para la materia CMCTRANSCRIPT
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Jorge Herrero - Ciencias para el Mundo Contemporáneo - CFIE
La Revolución Tecnológicade las Comunicaciones
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CONTENIDO CURRICULAR…
“La revolución tecnológica de la comunicación: ondas, cable, fibra óptica, ADSL, INTERNET, telefonía móvil. Repercusiones en la vida cotidiana”
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CONTENIDO CURRICULAR…
“La revolución tecnológica de la comunicación: ondas, cable, fibra óptica, ADSL, INTERNET, telefonía móvil. Repercusiones en la vida cotidiana”
…Y TAMBIÉN METODOLOGÍA
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MEDIOS DE TRANSMISIÓN
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MEDIOS DE TRANSMISIÓN
Cable
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MEDIOS DE TRANSMISIÓN
Cable
Ondas
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Cable
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Cable Par trenzado
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Cable Par trenzado
Pares de hilos CuÚltimo tramo telefónico (UTP3) – banda ancha
Redes LAN para transmisión datosBarato, flexible, fácil instalaciónTransmisión de datos a 4 Mbps
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Cable Coaxial
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Cable Coaxial
Núcleo Cu – dieléctrico – malla Cu / AlConexiones TV – antenas - radioaficionados
Redes telefónicas interurbanasMás resistencia interferencias – alta distancia
Transmisión de datos a 500 Mbps
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Cable Fibra óptica
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Cable Fibra óptica
Filamentos de vidrio u óxidos de Si o GeCableado larga distancia - suboceánico
Paulatina extensión hacia usuarios finalesResistencia interferencias – alta velocidad
Transmisión de datos a 4 Gbps
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Ondas
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OndasCampos eléctricos / magnéticos
Transmisión de energía mediante antenasA través del aire o del vacío
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OndasCampos eléctricos / magnéticos
Transmisión de energía mediante antenasA través del aire o del vacío
No todas las ondas electromagnéticas
son ondas de comunicación
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Ondas Ondas de radio
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Ondas Ondas de radio
ULF: 10 KHz – 30 KHz – RadioLF: 30 KHz – 300 KHz – Radio
MF: 300 KHz – 3 MHz – Radio AMHF: 3 MHz – 30 MHz – Radio onda corta
VHF: 30 MHz – 300 MHz – TV / RadioTransmisión de datos a 0,1 Mbps
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Ondas Microondas
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Ondas Microondas
UHF: 300 MHz – 3 GHz – 10 Mbps – TV - MóvilSHF: 3 GHz – 30 GHz – 100 Mbps – Radares
EHF: 30 GHz – 300 GHz – 750 Mbps – Radares - - Bluetooth – WiFi 802.11 g/b – WiFi 802.11 a
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Ondas Infrarrojos
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Ondas Infrarrojos
Utilización en mandos a distanciaComunicación de periféricos informáticos.
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MEDIOS DE COMUNICACIÓN
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MEDIOS DE COMUNICACIÓN
Telegrafía
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MEDIOS DE COMUNICACIÓN
Telegrafía
Telefonía - TV
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MEDIOS DE COMUNICACIÓN
Telegrafía
Telefonía - TV
Internet
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Telefonía
Sistema GSMAnalogía
Terminales monouso
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Telefonía
Sistema UMTSDigitalización
Terminales multiuso
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Internet
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Internet Interrelacionado
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Internet Interrelacionado
Horizontal
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Internet Interrelacionado
Horizontal
Participativo
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Internet Interrelacionado
Horizontal
Participativo
Integrador
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Blogs
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MEDIOS DE TRANSMISIÓN
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Microblogging
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Wikis
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Redes Sociales
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Presentaciones on-line
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Ofimática en la nube
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Almacenamiento virtual de archivos
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Comunidades de imagen
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Comunidades de video
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RIESGOS vs
OPORTUNIDADES
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RIESGOS vs
OPORTUNIDADES
Brecha digital (nuevos excluidos)
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RIESGOS vs
OPORTUNIDADES
Brecha digital (nuevos excluidos)
Uso responsable de la Red
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TENDENCIAS DE FUTURO
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TENDENCIAS DE FUTURO
Computación en nube
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TENDENCIAS DE FUTURO
Computación en nube
Convergencia de medios y dispositivos
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TENDENCIAS DE FUTURO
Computación en nube
Universalización de redes
Convergencia de medios y dispositivos
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TENDENCIAS DE FUTURO
Computación en nube
Universalización de redes
Convergencia de medios y dispositivos
Propiedad intelectual
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Com
puta
ción
en
nub
e
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Dispositivos físicos >>>
Dispositivos virtualesC
ompu
taci
ón
en n
ube
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Descargas >>>>
Streaming
Com
puta
ción
en
nub
e
Dispositivos físicos >>>
Dispositivos virtuales
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Com
puta
ción
en
nub
e
Dispositivos físicos >>>
Dispositivos virtuales
Software clásico >>>>
Aplicaciones remotas
Descargas >>>>
Streaming
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Con
verg
enci
a de
med
ios
y di
spos
itivo
s
¿Hacia el terminal único?
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Uni
vers
aliz
ació
n de
red
es
¿Un derecho deciudadanía?
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Pro
pied
ad
inte
lect
ual
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Pro
pied
ad
inte
lect
ual
Fuerte control sobrelos derechos de uso
COPYRIGHT
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Pro
pied
ad
inte
lect
ual
Movimiento por lacirculación del conocimientoCOPYLEFT