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Can a single DMA controller perform operations on two different disks simultaneously?

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1.
The technique whereby the DMA controller steals the access cycles of the processor to operate is called __________
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2.
The technique where the controller is given complete access to main memory is __________
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The controller uses _____ to help with the transfers when handling network interfaces.
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The DMA transfer is initiated by _____
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5.
When the process requests for a DMA transfer?
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