In virtually all systems that include DMA modules, DMA access to main memory is given higher priority

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In virtually all systems that include DMA modules, DMA access to main memory is given higher priority than processor access to main memory. Why?

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Operating Systems Internals and Design Principles

ISBN: 978-0133805918

8th edition

Authors: William Stallings

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Question Posted: Jan 28, 2010 05:25 AM

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In virtually all systems that include DMA modules, DMA access to main memory is given higher priority

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Operating Systems Internals and Design Principles

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