翻訳と辞書
Words near each other
・ heterogenous
・ heuristic
・ heuristics testing
・ hewlett packard multi processing executive
・ hewlett packard precision architecture
・ hewlett-packard
・ hewlett-packard graphics language
・ hewlett-packard interface bus
・ hewlett-packard visual engineering environment
・ hex
hexadecimal
・ hexidecimal
・ hexit
・ hfc
・ hhcp
・ hhoj
・ hhok
・ hhos
・ hibol
・ hid


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hexadecimal : FOLDOC
hexadecimal
(Or "hex") Base 16. A number representation using the digits 0-9, with their usual meaning, plus the letters A-F (or a-f) to represent hexadecimal digits with values of (decimal) 10 to 15. The right-most digit counts ones, the next counts multiples of 16, then 16^2 = 256, etc.
For example, hexadecimal BEAD is decimal 48813:
digit weight value
B = 11 16^3 = 4096 11*4096 = 45056
E = 14 16^2 = 256 14* 256 = 3584
A = 10 16^1 = 16 10* 16 = 160
D = 13 16^0 = 1 13* 1 = 13
-----
BEAD = 48813

There are many conventions for distinguishing hexadecimal numbers from decimal or other bases in programs. In C for example, the prefix "0x" is used, e.g. 0x694A11.
Hexadecimal is more succinct than binary for representing bit masks, machines addresses, and other low-level constants but it is still reasonably easy to split


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