The SOURCE of the MESSAGES  

• Messages are the signals you wish to send. The message itself can be voice, computer data, music, video movie, temperature reading or alarm information. All these can be considered as Messages.

• The Sources of messages can come in many forms. It can be your mouth, a cassette tape player, a video tape player, a computer, a thermometer or a security system.
• These messages are normally converted to electrical signals and is then known as either intelligence, information, audio signal or base band signal, depending on the message itself.

       

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