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DIRECT MEMORY ACCESS MCQs – CHAPTER 5 DAE

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1. Following two signals are used in DMA operation.





2. Following is a DMA controller IC





3. In a DMA read operation the data is transferred





4. In a DMA write operation the data is transferred





5. Which method bypasses the microprocessor for data transfer?





6. DMA stands for





7. Which microprocessor pin is used to acknowledge a DMA operation?





8. Number of channels available in 8237 DMA controller





9. The pin of microprocessor is used to request DMA process.





10. The bus that is immediately available to the microprocessor is called





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