During DMA transfer, DMA controller transfers data ______.
| During DMA transfer, DMA controller transfers data ______.
A. directly between memory and registers
B. directly between the I/O module and main memory
C. directly from memory to CPU
D. directly from CPU to Memory
Please scroll down to see the correct answer and solution guide.
Right Answer is: B
SOLUTION
- Direct memory access (DMA) is a feature of computer systems that allows certain hardware subsystems to access main system memory (RAM), independent of the central processing unit (CPU)
- Therefore, during DMA transfer, DMA controller transfers data directly between the I/O module and main memory.