What is DMA? Explain working of DMA

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written 7.9 years ago by

modified 7.9 years ago by

ramnath • 100

1) Direct Memory Access (DMA) allows devices to transfer data without subjecting the processor a heavy overhead. Otherwise, the processor would have to copy each piece of data from the source to the destination. This is typically slower than copying normal blocks of memory since access to I/O devices over …

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