https://padlet.com/020919parel/dgn8rdzaypxrglyz en-us 2021-09-22 04:49:48 UTC 2021-09-22 07:15:39 UTC hello@padlet.com https://padlet.net/icons/png/1f4f1.png 020919parel https://padlet.com/020919parel/dgn8rdzaypxrglyz/wish/1759061725 The oldest form of symbols used for communication is cave paintings. The oldest cave painting was discovered inside Chauvet Cave. ]]> 2021-09-22 05:01:08 UTC https://padlet.com/020919parel/dgn8rdzaypxrglyz/wish/1759061725 020919parel https://padlet.com/020919parel/dgn8rdzaypxrglyz/wish/1759064700 After print media flourished, radio followed. In the 1830s.various scientists, such as Maxwell and Hughes studied on wireless telegraphy which developed the theory of electromagnetism.]]> 2021-09-22 05:03:42 UTC https://padlet.com/020919parel/dgn8rdzaypxrglyz/wish/1759064700 020919parel https://padlet.com/020919parel/dgn8rdzaypxrglyz/wish/1759069245 Telegraph communication started after Samuel Morse invented the Morse code.]]> 2021-09-22 05:07:36 UTC https://padlet.com/020919parel/dgn8rdzaypxrglyz/wish/1759069245 020919parel https://padlet.com/020919parel/dgn8rdzaypxrglyz/wish/1759071632 The telegraphy was immediately replaced by the telephone. It was invented by Scottish Alexander Graham Bell in 1876. The telephone acts is a telecommunication device that converts human audio signals to electronic signals.]]> 2021-09-22 05:09:28 UTC https://padlet.com/020919parel/dgn8rdzaypxrglyz/wish/1759071632 020919parel https://padlet.com/020919parel/dgn8rdzaypxrglyz/wish/1759157603
Along with telephones, television started to become a mode of indirect communication to the mass audience. The television was not just invented by a single person, but developed through the efforts of various brilliant people. The earliest records of TV broadcasting occurred after the World War II]]> 2021-09-22 06:14:08 UTC https://padlet.com/020919parel/dgn8rdzaypxrglyz/wish/1759157603 020919parel https://padlet.com/020919parel/dgn8rdzaypxrglyz/wish/1759161375 After the creation of computers in the 1950s, the ARPANET, which was the early predecessor of the internet was developed.]]> 2021-09-22 06:16:45 UTC https://padlet.com/020919parel/dgn8rdzaypxrglyz/wish/1759161375 020919parel https://padlet.com/020919parel/dgn8rdzaypxrglyz/wish/1759164430 With the onset of the internet, electronic mails started to become popular. Although emails came before the ARPANET, however, it was “offline”. In 1975, John Vittal developed a software to organize emails. ]]> 2021-09-22 06:18:50 UTC https://padlet.com/020919parel/dgn8rdzaypxrglyz/wish/1759164430 020919parel https://padlet.com/020919parel/dgn8rdzaypxrglyz/wish/1759255702 The first official SMS messaging took place on December 3, 1992, when Neil Papworth, an engineer from Sema Group (now Airwide Solutions) used a computer to send “Merry Christmas” through the Vodafone network.]]> 2021-09-22 07:11:45 UTC https://padlet.com/020919parel/dgn8rdzaypxrglyz/wish/1759255702