♨ Alarmas ♟

in #busy3 years ago

Muchas personas adoran el Internet.
Pero...

¿qué es el internet?

Si bien es cierto ya no es un fenómeno nuevo, pero si es un fenómeno que ha y seguirá revolucionando todo el planeta entero, haciéndose cada vez mas imprescindible para la sociedad e influyendo en casi todos los aspectos entre ellos la comunicación, y su principal virtud es como una biblioteca gigantesca disponible las 24 horas del día y se puede encontrar todo lo que se quiera. Internet en si mismo no comunica, pero es un medio, lo que se llama un canal de comunicación, La historia de la humanidad está llena de avances y de descubrimientos de nuevos canales de comunicación que no tenga limites en cuanto a espacio, fronteras, distancias o sociedades…


La invención de los ordenadores y por propia naturaleza, conllevó a la creación de un medio de comunicación que permitiese el envió y recepción de datos informáticos

y seguir aprovechando todos los avances existentes.

Fuente

Las alarmas contra robos hacen ruidos estrepitosos cuando se activan.

Pero existen inventos basados en el silencio, como la alarma de cabecera norteamericana de 1912.

Esta arrojaba agua en la cabeza para despertar al interesado en saber que un intruso andaba por allí.

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