questions: a- where can a block be placed? b- how can a block be found?

1- For performance evaluation, please describe the rationale of quality improvement performance evaluation. 2- Please list & describe possible parallelization approaches and analysis their advantages or disadvantages. 3- If a computer system is with turbo frequency design, can the computer system always use the turbo mode to replace the regular common mode? 4-Caches, TLBs, virtue memory may initially look very different, but they rely on the same 2 principles of locality, please answer the following questions: a- where can a block be placed? b- how can a block be found? c- if there is a miss, how can a block be replaced? d- if a write is needed, how can you do that?