OSG202Xuất hiện trong 2 đề thi
In separating I/O and memory space system, the set of I/O ports form the I/O port space. This mechanism allows:
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APrograms in user space can easily access to I/O devices
BOnly programs in kernel can access to I/O devices
CBoth programs in user space and kernel can access to I/O devices
DNone of the other choices