Question: (a) A computer has a memory unit of 256Kx16 and a cache memory of 16K words. The cache uses direct mapping with a block size

(a) A computer has a memory unit of 256Kx16 and a cache memory of 16K words. The cache uses direct mapping with a block size of four words. i) How many bits are there in tag, line and word fields? ii) How many bits are there in each word of cache. Include a valid bit. iii) What is the size of cache? (b) Repeat for associative mapping. (c) Repeat for 4-way set associative mapping

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