ใบความรู้ที่ 7
TRANSCRIPT
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
null238983.67