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BLOS中断和DOS中断的区别

2025-03-28 05:42:25

推荐回答（1个）

回答1：

bios是主板预装好的input、output系统；
Dos是需要安装才能使用操作系统。用int调用中断以后可以通过不同的系统达到不同的目的和效果。其中int 1 -20 是bios中断，int21 专门用于dos中断。

Dos 与BIOS就好比母子关系，既有联系又相对独立。

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