Question: QUESTION 4 a) Based on the figure below, there are six steps in Interrupt Driven I/O Cycle. Fill in the missing steps in the figure.

QUESTION 4 a) Based on the figure below, there are six

QUESTION 4 a) Based on the figure below, there are six steps in Interrupt Driven I/O Cycle. Fill in the missing steps in the figure. CPU I/O controller device driver initiates 10 2 (0) CPU executing checks for interrupts between instructions (iii) (ii) (iv) CPU resumes processing of interrupted task (4 marks) Answer: b) Differentiate between Direct Memory Access (DMA) and Memory Mapped I/O. (4 marks)

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