Computer Science, asked by dipanshukandpal02, 6 months ago

How does an OS take care of Device or I/O management​

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Answered by Anonymous
4

Answer:

While using memory mapped IO, OS allocates buffer in memory and informs I/O device to use that buffer to send data to the CPU. I/O device operates asynchronously with CPU, interrupts CPU when finished. Memory mapped IO is used for most high-speed I/O devices like disks, communication interfaces.

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