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数据表示与计算(进制)
2022-07-29 08:50:00 【IT技术学习】
1.字节和位
位是最小单位,字节是最基本单位。
2.进制
几进制就是逢几进一。
3.二、八、十六进制转十进制
每一位的次方的规律
4.十进制转二、八、十六进制
5.二、八、十六进制关系
6.原码、反码、补码、移码
①原码
优点:容易与真值转换。
缺点:如②
②之间关系
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