|
Unité de mesure digitale
/ Data Measurement Charts
from
(http://www.phy.syr.edu/~dkirk/datameas1.html)
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Table
Audio/Video |
|
Audio/Video Technology |
Data Rate (par second) |
Data Rate (par secondes) |
Data Rate (par secondes) |
Data Rate (par secondes) |
|
CD |
1.4112 Mbps |
1,411,200 Bits |
176,400 Bytes |
172 Kilobytes |
|
DVD |
10 Mbps |
10,000,000 Bits |
1,250,000 Bytes |
1,220 Kilobytes (1.1MB/sec) |
|
DV |
30.1 Mbps |
30,195,712 Bits |
3,774,464 Bytes |
3,686 Kilobytes (3.6MB/sec) |
|
DLP |
37 Mbps to 43 Mbps |
43,000,000 Bits |
5,375,000 Bytes |
5,249 Kilobytes (5.2MB/sec) |
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|
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Table
Data Measurement Chart |
|
Bit |
Single Binary Digit (1 or 0) |
|
Byte |
8 bits |
|
Kilobyte (KB) |
1,024 Bytes |
|
Megabyte (MB) |
1,024 Kilobytes |
|
Gigabyte (GB) |
1,024 Megabytes |
|
Terabyte (TB) |
1,024 Gigabytes |
|
Petabyte (PB) |
1,024 Terabytes |
|
Exabyte (EB) |
1,024 Petabytes |
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|
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Table
Data Transfer Rate Chart |
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Data Transfer Rates |
Data Rate (par secondes) |
Data Rate (par secondes) |
Data Rate (par secondes) |
|
Kbps or Kb (Kilobits par secondes) |
1,000 Bits |
125 Bytes |
nothing |
|
Mbps or Mb (Megabits par secondes) |
1,000,000 Bits |
125,000 Bytes |
122 Kilobytes |
|
Gbps or Gb (Gigabits par secondes) |
1,000,000,000 Bits |
125,000,000 Bytes |
119 Megabytes |
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Table
Connection Speed Chart |
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Internet Technology |
Data Rate (par secondes) |
Data Rate (par secondes) |
Data Rate (par secondes) |
|
28.8K Modem |
28.8 Kbps |
28,800 Bits |
3,600 Bytes |
|
36.6K Modem |
36.6 Kbps |
36,600 Bits |
4,575 Bytes |
|
56K Modem |
56 Kbps |
56,000 Bits |
7,000 Bytes |
|
ISDN |
128 Kbps |
128,000 Bits |
16,000 Bytes |
|
T1 |
1.544 Mbps |
1,544,000 Bits |
193,000 Bytes |
|
DSL |
512 Kbps to 8 Mbps |
8,000,000 Bits |
1,000,000 Bytes |
|
Cable Modem |
512 Kbps to 52 Mbps |
53,000,000 Bits |
6,625,000 Bytes |
|
T3 |
44.736 Mbps |
44,736,000 Bits |
5,592,000 Bytes |
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Gigabit Ethernet |
1 Gbps |
1,000,000,000 Bits |
125,000,000 Bytes |
|
OC-256 |
13.271 Gbps |
13,271,000,000 Bits |
1,658,875,000 Bytes |
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Table
Computer Technology Chart |
|
Computer Technology |
Data Rate (par secondes) |
|
ADB |
256 Kbps |
|
USB |
12 Mbps |
|
FireWire (a.k.a. "IEEE 1394" or "i.Link") |
400 Mbps |
|
Ultra ATA/33 (a.k.a. Ultra DMA/33) |
33 MB/sec |
|
Ultra ATA/66 (a.k.a. Ultra DMD/66 or Fast ATA-2) |
66 MB/sec |
|
SCSI-1 |
5 MB/sec |
|
SCSI-2 |
5-10 MB/sec |
|
Fast SCSI-2 |
10-20 MB/sec |
|
Wide SCSI-2 |
20 MB/sec |
|
Fast Wide SCSI-2 |
20 MB/sec |
|
Ultra SCSI-3 (8-bit) |
20 MB/sec |
|
Ultra SCSI-3 (16-bit) |
40 MB/sec |
|
Ultra-2 SCSI |
40 MB/sec |
|
Wide Ultra-2 SCSI |
80 MB/sec |
|
Ultra-3 SCSI |
160 MB/sec |
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Table
Data Comparison Chart |
|
Kilobits (Kbps) |
Kilobytes (KBps) |
Megabytes (MBps) |
Minutes On 650MB CD |
Minutes On 4.7GB DVD |
|
28 |
3.41 |
0.00334 |
3,245 |
24,031 |
|
30 |
3.66 |
0.00358 |
3,029 |
22,429 |
|
56 |
6.83 |
0.00668 |
1,622 |
12,015 |
|
80 |
9.76 |
0.00954 |
1,135 |
8,410 |
|
100 |
12.20 |
0.01192 |
908 |
6,728 |
|
150 |
18.31 |
0.01788 |
605 |
4,485 |
|
200 |
24.41 |
0.02384 |
454 |
3,364 |
|
300 |
36.62 |
0.03576 |
302 |
2,242 |
|
500 |
61.03 |
0.05960 |
181 |
1,345 |
|
800 |
97.65 |
0.09537 |
113 |
841 |
|
900 |
109.86 |
0.10729 |
100 |
747 |
|
1,000 |
122.07 |
0.11921 |
90 |
672 |
|
2,000 |
244.14 |
0.23842 |
45 |
336 |
|
4,000 |
488.28 |
0.47684 |
22 |
168 |
|
5,000 |
610.35 |
0.59605 |
18 |
134 |
|
10,000 |
1,220.70 |
1.19209 |
9 |
67 |
|
15,000 |
1,831.05 |
1.78814 |
6 |
44 |
|
30,000 |
3,662.10 |
3.57628 |
3 |
22 |
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Tks to (http://www.phy.syr.edu/~dkirk/datameas1.html)
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LouMic MultiMédia, St-Hubert,
Québec Canada J4T 1T4 (450) 651.3686 |
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