Day: January 15, 2017

Standarts Organizations

Important organisations to put some order to computer networks and data communications:

  • IEC – International Electrotechnical Commission
  • ITU – International Telecommunication Union
  • EIA – Electronic Industries Association
  • TIA – Telecommunications Industry Association
  • IETF – Internet Engineering Task Force
  • IEEE – Institute of Electrical and Electronic Engineers
  • ISO – International Organisations for Standardisation
  • NIST – National institutes of Standards and Technology
  • IBM – International Business Machines

Telegraph

Communication change significantly by the invention of Samuel Morse in 1937. Telegraph enable to send information using electrical pulses over a copper wire. (morse code)

Alexander Graham Bell took the telegraph one step further in 1876. he proved that voice can be converted directly to electrical energy and transmitted over q wire using continuous diversified voltages.