2. Suppose a computer using direct mapped cache has 2^32 byte of byte-addressable main memory and a cache of 2048 blocks, where each block con a) How big in megabytes is main memory? b) How many blocks of main memory are there? c) 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? d) To which cache block will the memory address 0x000063FA map?

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter11: Operating Systems
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2. Suppose a computer using direct mapped cache has 2^32 byte of byte-addressable main memory and a cache of 2048 blocks, where each block contains 128 bytes.
a) How big in megabytes is main memory?
b) How many blocks of main memory are there?
c) 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?
d) To which cache block will the memory address 0x000063FA map?
Transcribed Image Text:2. Suppose a computer using direct mapped cache has 2^32 byte of byte-addressable main memory and a cache of 2048 blocks, where each block contains 128 bytes. a) How big in megabytes is main memory? b) How many blocks of main memory are there? c) 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? d) To which cache block will the memory address 0x000063FA map?
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