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16-bit: maximum representable value 2 16 − 1 = 65,535; ... unsigned integer overflow is defined to wrap around, ... reject the input, and perhaps prompt the user ...
65535 is the integer after 65534 and before 65536. It is the maximum value of an unsigned 16-bit integer. [1] ... can be represented by an unsigned 16-bit binary ...
UCHAR_MAX, USHRT_MAX, UINT_MAX, ULONG_MAX, ULLONG_MAX(C99) – maximum possible value of unsigned integer types: unsigned char, unsigned short, unsigned int, unsigned long, unsigned long long; CHAR_MIN – minimum possible value of char; CHAR_MAX – maximum possible value of char; MB_LEN_MAX – maximum number of bytes in a multibyte character
The 16-bit word length thus became more common in the 1960s, especially on minicomputer systems. Early 16-bit computers (c. 1965–70) include the IBM 1130, [3] the HP 2100, [4] the Data General Nova, [5] and the DEC PDP-11. [6] Early 16-bit microprocessors, often modeled on one of the mini platforms, began to appear in the 1970s.
The maximum signed 32 bit value (2 31 − 1) 16,777,216: 0100 0000 The largest consecutive integer in IEEE 754 single precision (2 24) 65,535: FFFF The maximum unsigned 16 bit value (2 16 − 1) 32,767 7FFF The maximum signed 16 bit value (2 15 − 1) 255: FF The maximum unsigned 8 bit value (2 8 − 1) 127 7F The maximum signed 8 bit value (2 ...
For example, if a programmer using the C language incorrectly declares as int a variable that will be used to store values greater than 2 15 −1, the program will fail on computers with 16-bit integers.
A 16-bit number can distinguish 65536 different possibilities. For example, unsigned binary notation exhausts all possible 16-bit codes in uniquely identifying the numbers 0 to 65535. In this scheme, 65536 is the least natural number that can not be represented with 16 bits. Conversely, it is the "first" or smallest positive integer that ...
For example, a two's complement signed 16-bit integer can hold the values −32768 to 32767 inclusively, while an unsigned 16 bit integer can hold the values 0 to 65535. For this sign representation method, the leftmost bit ( most significant bit ) denotes whether the value is negative (0 for positive or zero, 1 for negative).