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Differentiate between Direct Memory Access (DMA) and Memory Mapped 1/0. Briefly explain device driver. Based on the figure below, there are six steps in Interrupt

Based on the figure below, there are six steps in Interrupt Driven I/O Cycle. Fill in the missing steps in

Differentiate between Direct Memory Access (DMA) and Memory Mapped 1/0.

Briefly explain device driver.

Based on the figure below, there are six steps in Interrupt Driven I/O Cycle. Fill in the missing steps in the figure. CPU device driver initiates 1/0 CPU executing checks for interrupts between instructions 5 (iv) CPU resumes processing of interrupted task I/O controller (1) (ii) 3

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