DMA controllers ____.
A.do not utilize an additional, special purpose, processor
B.are a nonstandard component in PCs of today
C.can steal memory access cycles from the main CPU
D.can access main memory at the same time as the main CPU
正确答案是C
DMA controllers ____.
A.do not utilize an additional, special purpose, processor
B.are a nonstandard component in PCs of today
C.can steal memory access cycles from the main CPU
D.can access main memory at the same time as the main CPU
正确答案是C