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Information transfer презентация
Содержание
- 1. Information transfer
- 2. information transfer
- 3. How information was transmitted in the past
- 4. How information was transmitted in the past
- 5. Scientific discoveries and means of information transfer
- 6. Scientific discoveries and means of information transfer
- 7. Scientific discoveries and means of information transfer
- 8. Scientific discoveries and means of information transfer
- 9. Scientific discoveries and means of information transfer
- 10. Scientific discoveries and means of information transfer
- 11. Scientific discoveries and means of information transfer
- 12. Conclusion The means of communication were very
- 13. Thank you for your attention!
information transfer
Слайд 4How information was transmitted in the past
To transmit information over long
distances used messengers. Sometimes the messengers passed on subjects , mail, sometimes they memorized the message.
Слайд 5Scientific discoveries and means of information transfer
In 40-ies of the XIX
century Russian scientist P. L. Shilling built in St. Petersburg Telegraph line, which linked the Winter Palace and the General staff.
Слайд 6Scientific discoveries and means of information transfer
In 1876, a telephone was
invented in America, allowing the use of human language rather than Telegraph code for communication.
Слайд 7Scientific discoveries and means of information transfer
In 1895, the Russian inventor
A. S. Popov opened the radio communications that doesn’t require wires and cables.
Слайд 8Scientific discoveries and means of information transfer
Until 20-ies of XX century
for Telegraph and radio communication used a special code invented by the French inventor Morse.
Слайд 9Scientific discoveries and means of information transfer
In the late 30-ies of
XX century was the invention of a method of transmitting through the waves of the coded image. The first TV was created, first black and white, and then color
Слайд 10Scientific discoveries and means of information transfer
Today, in addition to broadcasting
TV, there is cable and satellite, which appeared due to the success in space exploration. Satellite communications cover the entire planet.
Слайд 11Scientific discoveries and means of information transfer
In 1969, the first computer
network began operating in the United States. It laid the Foundation for the formation of a computer network Internet
Слайд 12Conclusion
The means of communication were very different. It’s difficult to imagine
what stage of development in this area will be next.
