In 1957 ,USSR lunches sputnik which is the first artificial earth satellite , in response to the soviet union US reach (ARPA) agency to regain the technological lead, ARPA contribute with the department of defense(DOD) to help protect US against a spaced-based nuclear attack .between 1962-1968 packet-switching (PS) networks unquestionable the main purpose were to guaranty security in transferring forces information during the cold time war.
IN 1969 Was the birth of meshwork ,the first communications were between research center at the university of California and the Stanford research institute .in the 70s regulars people start to drop dead over a network , as the E-mail was invented ,and the computers at that time can connect more freely and well .
In 80s DCA and ARPA established (TCP) and (IP) , (DNS) introduced in 1984 , by the end of the 80s the song of the hosts breaks 100,000 .
in the early 90s ARPANET is established ,and the commercial internet appears and the around important instruction happened at this tie which is releasing the (WWW) initiation wide web, in mid 90s business and media take know of the internet ,and the internet phones catch the attention and the important development at that form was Microsoft entered the world of internet .
Bye the year 1997 there was 19.5 million hosts ,1 million WWW sites , 71,618 news groups . no need to say that this number are multiplied in our days and the internet now has never been this easy to implement and to reach I dont think there are homes with out it now ,nether less to say its connected in every part of our lives wither its...If you want to become a full essay, order it on our website: Orderessay
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