Does the CPU relinquish control of memory when DMA is active? For example, can a peripheral simply
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Does the CPU relinquish control of memory when DMA is active? For example, can a peripheral simply communicate with memory directly, avoiding the CPU completely?
Direct Memory Access (DMA) allows devices to access memory directly rather than working through the CPU. This can dramatically speed up the performance of peripherals, but adds complexity to memory system implementations. Explore DMA implications by answering the questions about the following peripherals.
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DMA Implications for Mouse Controller and Ethernet Controller 1 Mouse Controller DMA Usage Typically ...View the full answer
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Related Book For 
Computer Organization And Design The Hardware Software Interface
ISBN: 9780123747501
4th Revised Edition
Authors: David A. Patterson, John L. Hennessy
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