The document discusses the origins and development of the Internet. It began in the 1960s as the ARPANET, a network created by the Advanced Research Projects Agency (ARPA) of the US Department of Defense. The ARPANET eventually led to the development of common network protocols and the Internet. The document then outlines some early Internet applications including email, chat, bulletin board systems, and SMS as well as uses like distance learning and e-learning.

3.  (Internet)
“Inter
Connection Network”

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(DOD : Department of
Defense)
(ARPANET)
(ARPA : Advanced
Research Project Agency)

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(AIT)
 NEC 2400
Baud
 NEC

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1 (E-mail)
2 (Chat)
3
4 (BBS)
 5 SMS

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1 (Distance
Learning)
2 (E-
Learning)

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