Is the Direct Memory Access (DMA) is better than Programmed I/O and Interrupts driven I/O?
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Direct Memory Access (DMA) Differ from Programmed I/O and Interrupt-Driven I/O, Direct Memory Access is a technique for transferring data within main memory and external device without passing it through the CPU. ... It is more efficient to use DMA method when large volume of data has to be transferred.
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