Communication Course/Information

Information is a communication term used to describe any of the following entities

• Audible Sound in the frequency range of 2kHz - 20 kHz . Example human animal sound
• Audible Voice in the frequency range of 3kHz - 30 MHz . Example human speech conversation
• Video in the frequency range of 30Hz - 30 GHz . Example Tivi motion picture
• Data in the frequency range of 2kHz - 20 kHz . Example Computer data

Information Processing

Information exists in many wave forms generate from different sources. Before information can be processed by electronic devices information needs to be converted to electronic waves forming a signal. Then signals can be processed by electronic devices to amplify the signal, with the volume controlled by adjusting the amplitude of the signal.