quizz maison com technology, mathematical
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In the 1940s, there was a strong interest in mass communication, with the emergence of newspapers and telegrams. At this time, people were interested in two main aspects, which were:

  • The effect of mass communication and mass media (correct)
  • The technological aspect of communication (correct)
  • The aesthetic quality of print
  • The social implications of radio

Shanon in 1948 :

  • was interest in :
  • he wanted to :
  • famous model : "..."

  • measuring how info flows, the amount of info
  • improve the technologie that we have
  • " the generated model of com" or "the source-channel-receiver"

Which theory was the major development in the 1940s?

  • Relativity Theory of Information
  • String Theory
  • Quantum Theory
  • Mathematical Theory of Information (correct)

What is the info source ?

<p>A message that I peak and want to share. Often bt humans but it can aisles be machine. ex : machine car --&gt; 2 message : &quot;payment valid&quot; - &quot;payment failed&quot;</p> Signup and view all the answers

What is a transmitter ?

<p>A piece of technology that is gonna take the message from the source and going to transform the message in a signal that can travel. But it change the message, so the message and the signal don’t look similar.</p> Signup and view all the answers

What is a channel ?

<p>Is a material support we have to transferring the signal. The channel is the medium to which the signal travel.<br /> Ex : When I use my voice the air is the channel Also any channel can be affected by noises.</p> Signup and view all the answers

What does the receiver ?

<p>It decrypts the message but it does the exact reverse of the transmitter, he transform the signal into a message.</p> Signup and view all the answers

Enigma is the (blank), (blank) computer that analyse use, to (blank)very (blank) ( blank) information one place to another place.

<p>device, primitive, send, very, crucial, strategic</p> Signup and view all the answers

What does the destination ?

<p>It's going to receive the message. If the destination receive the message then the com process was a success.</p> Signup and view all the answers

Give an exemple with all the notions : info source, channel, transmitter, receiver, destination

<p>ex : I ( source ) teach you my ideas ( message ) using my voice ( transmitter ), it travels through the microphone, the cables, the boxes, and the air ( channel ), hopefully not distorted any static ( noises ), reaching you ears ( receiver ) and ultimately, you ( destination ).</p> Signup and view all the answers

What did Shannon neglect that makes his model not very complete?

<p>He completely neglected the semantic meaning of the information that arrives at the destination and how the receiver will make sense of it. (@), He failed to pay attention that certain info are very useful but at the other hand certain info are completely useless. (@)</p> Signup and view all the answers

Flashcards

Capitale de la France (exemple de fiche)

Paris

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