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The document discusses various I/O techniques including Programmed I/O, Interrupt-driven I/O, and Direct Memory Access (DMA), explaining their operations and advantages. It details the mechanisms of each technique, including how interrupts are handled and the role of DMA in improving data transfer efficiency by allowing direct communication between I/O devices and memory. Additionally, it covers the configurations and operations of DMA controllers, emphasizing their function in minimizing CPU involvement du

Author

skipad1345

Language

EN