Computer

1.List three types of cache misses.

2.What are the two characteristics of program memory accesses that caches exploit?

3.What is throughput?

4.What is latency with regards to pipeline?

5.Discuss why RAID 3 is not suited for transaction processing applications. What kind of applications is it suitable for and why?

6. What are the advantages and disadvantages of fine-grained multi threading, coarse-grained multi threading, and simultaneous multi threading?

7. Define RAID 1.   Typically what type of business application might take advantage of RAID 1?

8. List at least 3 advantages and 2 disadvantages of a flash drive.

9. Define pipe lining and name a CPU that utilizes it?   How does a CPU gain performance by using pipe lining

10.Pipe lining is used because it improves instruction throughput. Increasing the level of pipe lining cuts the amount of work performed at each pipeline stage, allowing more instructions to exist in the processor at the same time and individual instructions to complete at a more rapid rate. However, throughput will not improve as pipe lining is increased indefinitely. Give two reasons for this.

11. Give a concise answer to each of the following questions.

What is memory mapped I/O?
Why is DMA an improvement over CPU programmed I/O?
When would DMA transfer be a poor choice?

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