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Quattro Secoli di Storia con oltre 1000 Immagini

Nasce il calcolo automatico
Herman Hollerith: il pioniere dell'elaborazione dei dati
Le macchine a schede perforate
I calcolatori elettromeccanici
Il primo calcolatore elettronico della storia

Gli elaboratori della 1a generazione
Gli elaboratori a transistor
La 3a generazione di elaboratori
Gli elaboratori degli anni settanta
Un protagonista del nostro tempo

Nasce il calcolo automatico
Le macchine a schede perforate
Uno strumento nuovo: l'elaboratore elettronico

Gli elaboratori della "1a generazione"
L'espansione dell'automazione
Un protagonista del nostro tempo

Lexicon - radio - Radio

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Arabital Palestine O.I.S.
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Exxun.com
Siel Spa - UPS

<<<   radio

Radio   >>>

radio
... 267; international calls are made via satellite, using international direct dialing; 2 international exchanges; digital microwave radio relay links to Namibia, Zambia, Zimbabwe, and South Africa; satellite earth station - 1 Intelsat (Indian ...
www.exxun.com/Botswana/f_cm.html

radio
... persons; mobile-cellular telephone density has risen to nearly 55 per 100 persons domestic: extensive microwave radio relay system and a domestic satellite system with 64 earth stations; mobile-cellular usage has ...
www.exxun.com/Brazil/f_cm.html

Radio
24,004 people per AM Radio broadcast station
www.exxun.com/BritishVirginIslands/f_cm.html

Radio
381,371 people per AM Radio broadcast station
www.exxun.com/Brunei/f_cm.html

radio
... now connects switching centers in most of the regions; the others are connected by digital microwave radio relay international: country code - 359; submarine cable provides connectivity to Ukraine and Russia; a combination ...
www.exxun.com/Bulgaria/f_cm.html

radio
... mobile-cellular usage, fostered by multiple providers, is increasing rapidly from a low base domestic: microwave radio relay, open-wire, and radiotelephone communication stations international: country code - 226; satellite earth station - 1 ...
www.exxun.com/BurkinaFaso/f_cm.html

Radio
15,919,394 people per shortwave Radio broadcast station
www.exxun.com/Burma/f_cm.html

radio
... a meager 2 per 100 persons domestic: sparse system of open-wire, radiotelephone communications, and low-capacity microwave radio relay international: country code - 257; satellite earth station - 1 Intelsat (Indian Ocean) (2007
www.exxun.com/Burundi/f_cm.html

Radio
7,120,820 people per AM Radio broadcast station
www.exxun.com/Cambodia/f_cm.html

radio
... network, has been increasing steadily and currently stands at 14 per 100 persons domestic: cable, microwave radio relay, and tropospheric scatter international: country code - 237; landing point for the SAT-3/WASC ...
www.exxun.com/Cameroon/f_cm.html

Radio
5,535,450 people per shortwave Radio broadcast station
www.exxun.com/Canada/f_cm.html

Radio
19,409 people per FM Radio broadcast station
www.exxun.com/CapeVerde/f_cm.html

Radio
47,862 people per AM Radio broadcast station
www.exxun.com/CaymanIslands/f_cm.html

radio
... mobile-cellular usage of only about 3 per 100 persons domestic: network consists principally of microwave radio relay and low-capacity, low-powered radiotelephone communication international: country code - 236; satellite earth station ...
www.exxun.com/CentralAfricanRepublic/f_cm.html

Radio
2,022,268 people per shortwave Radio broadcast station
www.exxun.com/Chad/f_cm.html

radio
general assessment: privatization began in 1988; advanced telecommunications infrastructure; modern system based on extensive microwave radio relay facilities; fixed-line connections have dropped in recent years as mobile-cellular usage continues to ...
www.exxun.com/Chile/f_cm.html

Radio
29,556,547 people per shortwave Radio broadcast station
www.exxun.com/China/f_cm.html

Radio
1,402 people per AM Radio broadcast station
www.exxun.com/ChristmasIsland/f_cm.html

Radio
596 people per AM Radio broadcast station
www.exxun.com/Cocos_Keeling_Islands/f_cm.html

radio
... 18 per 100 persons; mobile cellular usage is about 70 per 100 persons domestic: nationwide microwave radio relay system; domestic satellite system with 41 earth stations; fiber-optic network linking 50 cities ...
www.exxun.com/Colombia/f_cm.html

radio
... about 2 per 100 persons; mobile cellular usage about 2 per 100 persons domestic: HF radiotelephone communications and microwave radio relay international: country code - 269; HF radiotelephone communications to Madagascar and Reunion
www.exxun.com/Comoros/f_cm.html

radio
... subscribership now exceeds 4 million - roughly 7 per 100 persons domestic: barely adequate wire and microwave radio relay service in and between urban areas; domestic satellite system with 14 earth stations international ...
www.exxun.com/Congo_DemocraticRepublic/f_cm.html

radio
... mobile-cellular subscribership has surged reaching 16 per 100 persons domestic: primary network consists of microwave radio relay and coaxial cable international: country code - 242; satellite earth station - 1 Intelsat (Atlantic Ocean
www.exxun.com/Congo_Republic/f_cm.html

Radio
21,923 people per AM Radio broadcast station
www.exxun.com/CookIslands/f_cm.html

Radio
220,838 people per shortwave Radio broadcast station
www.exxun.com/CostaRica/f_cm.html

radio
... fixed-line connections stand at about 2 per 100 persons domestic: open-wire lines and microwave radio relay; 90% digitalized international: country code - 225; landing point for the SAT-3/WASC fiber ...
www.exxun.com/Cote_d_Ivoire/f_cm.html

Radio
898,309 people per shortwave Radio broadcast station
www.exxun.com/Croatia/f_cm.html

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