Electronics Communication/Information & Signal
Information
[edit | edit source]Information is a term used in communication to describe any physical quantities called
- Sound like audible human voice, noise
- Audio like music
- Image like pictures
- Motion picture like movies
- Data like alphabets, decimal numbers
Signal
[edit | edit source]Signal is a wave of certain frequency that represent the information
- Sound audible to human ears is a wave of frequency range 20Hz - 20KHz
- Image transmit as a wave of bandwidth of 3MHZ wide
- Movie Picture transmits as a wave of bandwidth of 5MHZ wide
- Data transmits number of Bits Per Second (BPS)