多选题Which of the following is a bus mastering method?（）AA device transfers data directly to the memory.BA device handles mediation between the northbridge and the processor.CA device connects to another device without involving the processor.DA device transfers data to the processor and then on to the memory.EA device handles mediation between the southbridge and the processor
多选题
Which of the following is a bus mastering method?（）
A
A device transfers data directly to the memory.
B
A device handles mediation between the northbridge and the processor.
C
A device connects to another device without involving the processor.
D
A device transfers data to the processor and then on to the memory.
E
A device handles mediation between the southbridge and the processor
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