DMA (Direct Memory Access) controller has following:
2017
DMA (Direct Memory Access) controller has following:
- A.
Only master interface
- B.
Only slave interface
- C.
Master and slave interface both
- D.
None of the above
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Correct answer: C
A DMA controller must communicate with both the CPU/system bus and the I/O device. Therefore it has both master and slave interface behavior.