Electronics Communication/Information & Signal

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Information is a term used in communication to describe any physical quantities called

  1. Sound like audible human voice, noise
  2. Audio like music
  3. Image like pictures
  4. Motion picture like movies
  5. Data like alphabets, decimal numbers


Signal is a wave of certain frequency that represent the information

  1. Sound audible to human ears is a wave of frequency range 20Hz - 20KHz
  2. Image transmit as a wave of bandwidth of 3MHZ wide
  3. Movie Picture transmits as a wave of bandwidth of 5MHZ wide
  4. Data transmits number of Bits Per Second (BPS)