单选题What information is displayed by the command cat/proc/dma？（）Awhether DMA is enabledBwhich DMA channels are in useCwhich DMA mode is in useDgeneral information about DMA on the machine
题目
单选题
What information is displayed by the command cat/proc/dma？（）
A
whether DMA is enabled
B
which DMA channels are in use
C
which DMA mode is in use
D
general information about DMA on the machine
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参考答案和解析
正确答案：
A
解析：
暂无解析