How does an OS communicate with other hardware components?
Fresh3 days ago
Mar 15, 202619386 viewsConfidence Score0%
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Problem
How can a program running on a CPU (mostly OS) access other PC hardware? Such as Graphic card, HDD and so? From what I read, in DOS, this was done using BIOS calls, specifically the INT instruction. But, the INT instruction should only jump to the certain space in RAM. So how can some program store…
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[H]ow can program runnig on CPU (mostly OS) acess other PC hardware? Such as Graphic card, HDD and so? The complete answer to this question is complex and difficult to answer in general. So I'm going to try to answer it in general, and hopefully giv…
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