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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

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Angelo Gandola Srl
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Exxun.com
Private Collection by coinpc
Stay Inside
Caffé Jesi since 1848

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... five years; wireless telephony has grown rapidly, in part responding to the shortcomings of the fixed-line network; multiple service providers operate nationally; combined fixed-line and mobile-cellular teledensity reached 25 ...
www.exxun.com/Nigeria/f_cm.html

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domestic: single-line telephone system connects all villages on island international: country code - 683 (2001)
www.exxun.com/Niue/f_cm.html

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... modern system consisting of open-wire, microwave, and radiotelephone communication stations; limited coaxial cable domestic: fixed-line and mobile-cellular subscribership both increasing; open-wire, microwave, radiotelephone communications, and a domestic satellite ...
www.exxun.com/Oman/f_cm.html

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general assessment: the telecommunications infrastructure is improving dramatically with foreign and domestic investments into fixed-line and mobile networks; mobile-cellular subscribership has skyrocketed, reaching some 63 million in mid-2007, up ...
www.exxun.com/Pakistan/f_cm.html

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... armed stand-off in the Siachen glacier region; Pakistan protests India's fencing the highly militarized Line of Control and construction of the Baglihar Dam on the Chenab River in Jammu and ...
www.exxun.com/Pakistan/i_ti.html

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general assessment: domestic and international facilities well developed domestic: combined fixed-line and mobile-cellular teledensity is approaching 70 per 100 persons international: country code - 507; landing point for the Americas Region ...
www.exxun.com/Panama/f_cm.html

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... and international radio communication services domestic: access to telephone services is not widely available; combined fixed-line and mobile-cellular teledensity is less than 3 per 100 persons international: country code - 675 ...
www.exxun.com/PapuaNewGuinea/f_cm.html

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general assessment: meager telephone service; principal switching center is in Asuncion domestic: the fixed-line market is a state monopoly; deficiencies in provision of fixed-line service have resulted in a rapid ...
www.exxun.com/Paraguay/f_cm.html

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general assessment: adequate for most requirements domestic: fixed-line teledensity is only about 8 per 100 persons; mobile-cellular teledensity, spurred by competition among multiple providers, has increased to about 30 telephones ...
www.exxun.com/Peru/f_cm.html

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... domestic: domestic satellite system with 11 earth stations; cellular communications now dominate the industry; combined fixed-line and mobile-cellular telephone density exceeds 50 telephones per 100 persons with more than 10 ...
www.exxun.com/Philippines/f_cm.html

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1 (there are 17 telephones on one party line); (2004)
www.exxun.com/PitcairnIslands/f_cm.html

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... assessment: modernization of the telecommunications network has accelerated with market based competition finalized in 2003; fixed-line service, dominated by the former state-owned company, is dwarfed by the growth in wireless ...
www.exxun.com/Poland/f_cm.html

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two vertical bands of green (hoist side, two-fifths) and red (three-fifths) with the Portuguese coat of arms centered on the dividing line
www.exxun.com/Portugal/d_gv.html

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territorial sea: 12 nm contiguous zone: 24 nm exclusive economic zone: as determined by bilateral agreements or the median line
www.exxun.com/Qatar/b_mp.html

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general assessment: modern system centered in Doha domestic: combined fixed-line and mobile-cellular telephone density is roughly 130 telephones per 100 persons international: country code - 974; landing point for the Fiber ...
www.exxun.com/Qatar/f_cm.html

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... more than 90 percent of telephone network is automatic; liberalization in 2003 is transforming telecommunications; fixed-line teledensity is roughly 20 telephones per 100 persons; mobile-cellular teledensity is approaching 80 telephones ...
www.exxun.com/Romania/f_cm.html

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... to 150 million in 2006; a large demand for main line service remains unsatisfied, but fixed-line operators continue to grow their services domestic: cross-country digital trunk lines run from Saint ...
www.exxun.com/Russia/f_cm.html

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... by cellular telephone service; much of the network depends on wire and HF radiotelephone; combined fixed-line and mobile-cellular telephone density is only about 4 telephones per 100 persons international: country ...
www.exxun.com/Rwanda/f_cm.html

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... cinder cones of 44 dormant volcanoes; ground rises to the east Tristan da Cunha: sheer cliffs line the coastline of the nearly circular island; the flanks of the central volcanic peak are ...
www.exxun.com/SaintHelena/b_mp.html

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general assessment: adequate connections domestic: automatic telephone system completely integrated into Italian system; combined fixed-line and mobile-cellular teledensity exceeds 130 telephones per 100 persons international: country code - 378; connected to ...
www.exxun.com/SanMarino/f_cm.html

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... system; more than half of all fixed-line connections are in Dakar with expansion of fixed-line services in rural areas needed; mobile-cellular service is expanding rapidly; microwave radio relay, coaxial ...
www.exxun.com/Senegal/f_cm.html

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