7

7

------Data Communication

(Encoding) (Decoding)Data Transmission -----

Analog Signal ----

0 1 - - Digital Signal ----

0 1 n n n n n Parallel Transmission -- ---

8 8 1Serial Transmission -----

104 109 Hz AM 530-1,600 KHz FM 88 -108 MHz Radio Frequency -----

1011 1014 Infrared --

2.45 GHz 10 10 Bluetooth -

35,860 Satellite --

7 2/2

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