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Converters
Two's Complement Converter (8/16/32/64-bit)
Convert between signed decimal, binary and hex using two's complement representation for 8, 16, 32 and 64-bit widths. Shows step-by-step of negation (invert bits + 1).
Sobre o complemento de dois
Complemento de dois é a forma padrão de representar inteiros com sinal em CPUs modernas. Para negar n: (1) inverte todos os bits + (2) soma 1. Faixa para N bits: [-2^(N-1), 2^(N-1)-1]. Sem overflow ambíguo: existe somente um zero (0x00…0) e -1 sempre vira 0xFF…F.
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