Microprocessor and Computer Architecture2080.15 marksDirect Memory Access
What is DMA? Explain the role of DMA controller in data transfer.
What is DMA? Explain the role of DMA controller in data transfer. [5]
DMA (Direct Memory Access) is a memory access technique that allows I/O devices to transfer data directly to or from main memory without the continuous involvement of the CPU. The CPU only initiates the transfer; the actual data movement is handled by a dedicated hardware unit called the DMA Cont...