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High Quality Content by WIKIPEDIA articles! There are a variety of ways that 1 (and negative numbers in general) can be represented in computer systems, the most common being as two's complement of their positive form. Since this representation could also represent a positive integer in standard binary representation, a programmer must be careful not to confuse the two. Negative one in two's complement could be mistaken for the positive integer 2n 1, where n is the number of digits in the representation (that is, the number of bits in the data type). For example, 111111112 (binary) and FF16…mehr

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High Quality Content by WIKIPEDIA articles! There are a variety of ways that 1 (and negative numbers in general) can be represented in computer systems, the most common being as two's complement of their positive form. Since this representation could also represent a positive integer in standard binary representation, a programmer must be careful not to confuse the two. Negative one in two's complement could be mistaken for the positive integer 2n 1, where n is the number of digits in the representation (that is, the number of bits in the data type). For example, 111111112 (binary) and FF16 (hex) each represents 1 in two's complement, but represents 255 in standard numeric representation.