3204 – 2010 ...
description
Transcript of 3204 – 2010 ...
3204 2010 7
3204 2010 7 Signal (Amplitude) (Frequency)
0 1 0 1 data code (American Standard Code for Information Interchange; ASCII) IBM IBM (American National Standards Institute; ANSI) 7 1 8 "0" "1"
(ASCII Code)(Extended Binary Coded Decimal Interchange Code; EBCDIC) 8 28 256
(EBCIDIC) (UNICODE) .. 2536 16 8 65,536 128 2,000
(UNICODE)
(Data transmission) (bit) 0 1 (byte) 8 1 (copper wire) (optical fiber) (laser) (radio) (infra red light)
(Noise)
2 (serial transmission)(parallel transmission)
1 (serial transmission)
0 1 (parallel transmission)
2 (asynchronous transmission) (synchronous transmission) 2 (asynchronous transmission) (synchronous transmission) (asynchronous transmission) Bit Pattern (asynchronous transmission) (synchronous transmission) ( ) (synchronous transmission)