Binary numeral system/fr
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La représentation binaire d'un nombre n'utilise que les chiffres 0 et 1. Le système en base 2 est la base des systèmes numériques. Le plus petit élément binaire est appelé un bit (contraction de l'anglais BInary digiT).
Dans un source Free Pascal, un littéral binaire est spécifié en le faisant précéder par signe pourcent (%).
Table de conversion
| Binary | Héxadecimal | Décimal |
|---|---|---|
| %0000000000000000 | $0000 | 0 |
| %0000000000000001 | $0001 | 1 |
| %0000000000000010 | $0002 | 2 |
| %0000000000000011 | $0003 | 3 |
| %0000000000000100 | $0004 | 4 |
| %0000000000000101 | $0005 | 5 |
| %0000000000000110 | $0006 | 6 |
| %0000000000000111 | $0007 | 7 |
| %0000000000001000 | $0008 | 8 |
| %0000000000001001 | $0009 | 9 |
| %0000000000001010 | $000a | 10 |
| %0000000000001011 | $000b | 11 |
| %0000000000001100 | $000c | 12 |
| %0000000000001101 | $000d | 13 |
| %0000000000001110 | $000e | 14 |
| %0000000000001111 | $000f | 15 |
| %0000000000010000 | $0010 | 16 |
| %0000000000010001 | $0011 | 17 |
| %0000000000010010 | $0012 | 18 |
| %0000000000010011 | $0013 | 19 |
| %0000000000010100 | $0014 | 20 |
| ... | ... | ... |
| %0000000010011111 | $009f | 159 |
| %0000000010100000 | $00a0 | 160 |
| ... | ... | ... |
| %0000000011111111 | $00ff | 255 |
| %0000000100000000 | $0100 | 256 |
| %0000000100000001 | $0101 | 257 |
Voir aussi
- IntToBin - convertit un integer en sa représentation binaire en string.
- Fonction de conversion multi-base
From the Free Pascal wiki, page "Binary numeral system/fr", as it stood on 2016-11-25 after a change by E-ric, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's Licensing page. If you have concerns about this material, message the admin.
Edited on wiki.freepascal.org by 1 person, 2016
From the official wiki's backup of 26 May 2024: who edited this page there, and when. Edits made there after that date were not recorded, and the earlier versions are not shown here; the main page says why.
| When | Who | What changed |
|---|---|---|
| E-ric | Created page |
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