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: May 09, 2015 06:59 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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If a processor is held up in attempting to read or write memory usua...View the full answer

Operating Systems Internals and Design Principles

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