0B00001011
0b00001011 is a binary literal used in programming to denote a specific base-2 value. The sequence 00001011, read as a binary number, equals decimal 11. In hexadecimal, the same value is 0x0B. The 0b prefix signals that the digits following it are in base 2 rather than decimal, hexadecimal, or octal.
Bit-pattern details: In an 8-bit representation, 00001011 has bits 0, 1, and 3 set (counting from the
Usage: Binary literals like this are common in low-level programming and digital electronics to specify bit
See also: binary numeral system, bitmask, two's complement, hexadecimal notation, and languages that support binary literals