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3 cards from this section. Quick, good the night before a test.
Define Direct Memory Access (DMA).
Think about how data is transferred between devices.
What role does the DMA controller play?
Focus on the management aspect.
What does DMA stand for?
Focus on the term associated with memory transfer.
True or False: DMA requires the CPU to be involved throughout the data transfer process.
Consider the role of the CPU during transfers.
Consider a system where DMA configuration goes wrong, causing data lost. How would you rectify the design issues observed in the DMA controller?
Think about signal management and potential error solutions.
Using DMA, a data file of 2048 bytes needs to be transferred from a device to memory. Consider the system's address range and potential limitations. What should be noted during the setup for the DMA process?
Remember to think about addresses and transfers in chunks.
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