數字系統與資料表示法 教師: 陳炯勳 mikemouse@is.cs.nthu.edu.tw. 數系轉換...
Post on 22-Dec-2015
268 Views
Preview:
TRANSCRIPT
- Slide 1
- mikemouse@is.cs.nthu.edu.tw
- Slide 2
- base radix n n 1 2 1 0 -1 -2 -m n -m n -m
- Slide 3
- 365.25 10 310 2 610 1 510 0 210 -1 510 -2 365.25 8 38 2 68 1 58 0 28 -1 58 -2 3A.F7 16 316 1 1016 0 1516 -1 716 -2
- Slide 4
- 10
- Slide 5
- 10
- Slide 6
- Slide 7
- 2 8 16
- Slide 8
- r s t r s 10 10 10 10 t
- Slide 9
- EX: Convert the base 16 number C4D.4 to base 5
- Slide 10
- -
- Slide 11
- Slide 12
- -
- Slide 13
- Slide 14
- Slide 15
- BIG-5 IBM-5550
- Slide 16
- modolus
- Slide 17
- ABCDEFGHJKLMNPQRSTUVXY 10111213141516171819202122232425262728293032 1 9 8 7 6 5 4 3 2 1 P1015277082310152770 8 21 39 18 07 16 55 24 73 72 01 111 111 mod 10 1 9 9 1 0 I 34
- Slide 18
- Parity check code Odd parity bit Parity bit Data bit + Parity bit 1 Odd parity Even parity bit Parity bit Data bit + Parity bit 1 Even parity
- Slide 19
- LRC longitudinal redundancy check VRC vertical redundancy check BCC block check code LRC+VRC error correction
- Slide 20
- Slide 21
- CRC cyclic redundancy check polynomial code CRC code D X C X R X D X +R X D X +R X C X 0 C X CRC-12 X 12 +X 11 +X 3 +X 2 +X+1 CRC-CCITT X 16 +X 15 +X 5 +1
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
- hamming code bit 1100001 hamming code 01001010110 7 bit
- Slide 29
- Slide 30
- Slide 31
- Slide 32
- Slide 33
- Slide 34
- Slide 35
- 2 0 1 1 0 2 0 0 0 1 1 0
- Slide 36
- Slide 37
- Slide 38
- Slide 39
- Slide 40
- Slide 41
- flag register
- Slide 42
- Slide 43
- Slide 44
top related