Suppose a computer using direct mapped cache has 4M byte of byte-addressable main memory, and a cache of 512 blocks, where each cache block contains 64 bytes.   a) How many blocks of main memory are there?   b) What is the format of a memory address as seen by the cache, i.e., what are the sizes of the tag, block, and offset fields?   c) To which cache block will the memory address 0x00007266 map?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Suppose a computer using direct mapped cache has 4M byte of byte-addressable main memory, and a cache of 512 blocks, where each cache block contains 64 bytes.  
a) How many blocks of main memory are there?  
b) What is the format of a memory address as seen by the cache, i.e., what are the sizes of the tag, block, and offset fields?  
c) To which cache block will the memory address 0x00007266 map?  

 

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