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Category: 物理類

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位操作是程序设计中对位数组或二进制数的一元和二元操作。在许多古老的微处理器上，位运算比加减运算略快，通常位运算比乘除法运算要快很多。在现代架构中，位运算的运算速度通常与加法运算相同（仍然快于乘法运算...