Friday, 7 October 2016

History of Mobile computing

History of Mobile Computing

In the year 1894 Guglielmo Marconi discovered  Hertzian Waves Which is a wave used n frequency. By the year the first 1896 Wireless Telegraph & Signal Company established Continued by the year 1901 in St John’s, New Foundland, “father of the radio” Marconi received the first trans Atlantic wireless signal from Poldhu, England.


In the year 1905 Morse Code was implement in the world war  2 to communicate in the battlefield 1919 bu the RCA And in the year 1947, researchers in AT&T Bell Labs convinced with the idea of cellular phones. To encounter the US , USSR launched a satellite  called Sputnik from in Kazakhstan on October 4, 1957.

The first network was established  in year 1958 and a device called A-Netz which is using anolog technology and evolved in B-Netz both operating in 160 MHz .By the year 1969 FCC  made a decision  larger frequency so that more mobile phones and April 1973 the first phone was invented by Martin Cooper of  Motorola and the first phone that portable to Joel Engel.AT&T and Bell Labs made a prototype of a public cellular network at the year 1977


The very first and can be said world first analog cellular service AMPS is available in Chicago on the year 1983 and then FFC implement cellular service provider which giving out  a alternative technologies with the spectrum radio of 800 MHz to do the digital transmission in year 1987
 

By : Daniel Shammah 110043541


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