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2鲿°ã8鲿°ã10鲿°ã16鲿°ããªã¢ã«ã¿ã€ã ã§çžäºå€æããŸããããã°ã©ãã³ã°ãšã³ã³ãã¥ãŒã¿ãµã€ãšã³ã¹ã«å¿ é ã®ããŒã«ã
ë¹ ë¥ž ì°žì¡°
Dec
Bin
Oct
Hex
0
0000
0
0
10
1010
12
A
15
1111
17
F
255
11111111
377
FF
ð äœ¿ãæ¹
- å ¥åã®é²æ°ãéžæããŠãã ãã
- æ°åãå ¥åããŠãã ãã
- ãã¹ãŠã®é²æ°çµæã確èªããŠãã ãã
âš äž»ãªæ©èœ
- â2/8/10/16鲿°å¯Ÿå¿
- âèªã¿ãããã°ã«ãŒãå
- âã¯ã€ãã¯åç §è¡š
ð èšç®åŒ
n鲿° â 10鲿°ïŒÎ£(æ¡ã®å€ à n^äœçœ®)ð¡ èšç®åç
- â¢é²æ°ã¯æ°ã衚çŸããæ¡æ°äœç³»ã§ãã
- â¢2鲿°ïŒBinaryïŒïŒã³ã³ãã¥ãŒã¿ã®åºæ¬åäœã0ãš1ã®ã¿äœ¿çšããŸãã
- â¢8鲿°ïŒOctalïŒïŒUnixãã¡ã€ã«æš©éãªã©ã«äœ¿çšã0-7䜿çšããŸãã
- â¢10鲿°ïŒDecimalïŒïŒæ¥åžžã§äœ¿çšããäœç³»ã0-9䜿çšããŸãã
- â¢16鲿°ïŒHexïŒïŒè²ã³ãŒããã¡ã¢ãªã¢ãã¬ã¹ã«äœ¿çšã0-9ãA-F䜿çšããŸãã
- â¢äŸïŒ1010(2) = 1Ã8 + 0Ã4 + 1Ã2 + 0Ã1 = 10(10)
â ãããã質å
Q. 16鲿°FFã¯10鲿°ã§ïŒ
A. 255ã§ãïŒ15Ã16 + 15 = 255ïŒã
ìŽ í¬ì€í ì ì¿ í¡ íížëì€ íëì ìŒíìŒë¡, ìŽì ë°ë¥ž ìŒì ì¡ì ììë£ë¥Œ ì ê³µë°ìµëë€.