Unverified60% confidenceFactExact time
DOS provides system services such as file operations and memory allocation through INT 21h, while BIOS provides a hardware abstraction layer through INT 10h (video), INT 13h (disk), INT 16h (keyboard), and others.
2
Sources
60%
Confidence
Long-term
Relevance
8/9/2026
First Seen
Sources
逆向工程DOS游戏《圣经船长》：一场技术考古之旅
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