(Answered) Logical and physical addresses

Engineering

Part 1

1) Compare and contrast logical and physical addresses and address space.

2) What is paging? What are its advantages? Disadvantages?

3) Describe the page replacement process.

Part 2:

1) Compare and contrast Random and Sequential File Access Methods.

2) What is Direct Memory Access I/O? What purpose does it serve?

3) When a program makes a request for I/O what happens to the processor? What mechanism is used to tell the processor that the IO is finished?

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