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移位运算根据操作对象的不同分为算术移位和逻辑移位。有符号数的移位称为算术移位，逻辑移位的操作对象是逻辑代码，可视为无符号数。...

移码常用来表示浮点数的阶码。它只能表示整数。 移码特点。。。。。。。。。。。。。。。。。。。。。。。...

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反码通常用来作为由原码求补码或由补码求原码的中间过渡。。。。。。。。。。。。。。。。。。。。。。。。。。。...

模4补码 双符号位的补码小数 。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。...

将[x]补的符号位与数值位一起右移一位并保持原符号位的值不变，可实现除法功能（除以2）。。。。。。。。。。。。...

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