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Q. |
The method which offers higher speeds of I/O transfers is |
A. | interrupts |
B. | memory mapping |
C. | program-controlled i/o |
D. | dma |
Answer» D. dma | |
Explanation: in dma the i/o devices are directly allowed to interact with the memory without the intervention of the processor and the transfers take place in the form of blocks increasing the speed of operation. |
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