Question: Operating system 2) DMA (From 1.20 a,b) Direct memory access is used for high-speed I/O devices in order to avoid increasing the CPU's execution load

Operating system Operating system 2) DMA (From 1.20 a,b) Direct memory access is

2) DMA (From 1.20 a,b) Direct memory access is used for high-speed I/O devices in order to avoid increasing the CPU's execution load a) How does the CPU interface with the device to coordinate the transfer? b) How does the CPU know when the memory operations are complete

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