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AutoSave FAA2OOP... OF CS175_Spring22_HW4 Home Insert Draw Design Layout References Mailings Review View Tell me Share Comments v > X LG AbbCeDdle AaBCCDC Mabbrudte ~ A Ř Aav A BIU x ADWAY Ba BhcDt anh 3dE Heading Hestia 7 Paste = = = du Neme Till Na Sucing Dictata Editor Styles Pane Y 5. List two advantages and two disadvantages of Distributed Bus Arbitration. 0 Part 3: Problems (50 points): 1. (20 points) For a 128M × 32 memory, a. How many bits are there in the address? b. How many bits are there in the Data lines? 2. (30 points) Consider a computer system with access to three levels of memory: cache, RAM and HDD. The computer system's cache hit rate of 95 %, A RAM hit rate of 95%. The the cache access time is 0.01 usec, the RAM access time is 0.1 usec and the HDD access time is 10 usec. What is the word access time if the word is accessed directly from the cache, and if missed will be accessed directly from the RAM and if missed will be directly accessed from the HDD. a. What is the word access time if cache is not used b b. What is the word access time if cache is used c. What is the performance improvement if cache is used? Page 5 of B 157 of 593 words % English (United States) Focus EES 146%