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4:
4:
(Internet);
, .
internet: -> International Network ( )
:
:
...!!!
1969 ARPANET
4 3
,
Arpanet
1974
1990 internet, ,
:
/ internet . , , . .
:
(E-mail)
(Chat)
(Teleconference)
(Newsgroups)
.
Chat/
. .
.
forum .
File Transfer Protocol FTP
. :
(MP3 ,Wav, Midi)
;
.
.
:
.
.
.
.
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