Consider a machine with a byte addressable main memory of 216 bytes and block size of 8 bytes. Assume that a direct mapped cache consisting of 32 lines is used with this machine. a. How is a 16-bit memory address divided into tag, line number, and byte number? b. Into what line would bytes with cach of the following addresses be stored? 00 01 0001 0001 1011 1100 0011 0011 0100 1101 0000 0001 1101 1010 1010 1010 1010 c. Suppose the bytc with address 0001 10100X 1010 is stored in the cache. What are the addresses of the other bytes stored along with it? d. How many tolal bytes of mcmory can be stored in the cache? e. Why is the lag also stored in the cache?

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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4.8 Consider a machine with a byte addressable main memory of 2 bytes and block size
of 8 bytes. Assume that a dircct mapped cache consisting of 32 lines is used with this
machine.
a. How is a 16-bit memory address divided into tag, line number, and byte
number?
b. Into what line would bytes with each of the following addresses be stored?
0001 0001 0001 1011
1100 0011 0011 0100
1101 0000 0001 1101
1010 1010 1010 1010
c. Suppose the byte with address 0001 10100X01 1010 is stored in the cache. What are
the addresses of the other bytles stored along with it?
d. How many total bytes of memory can be stored in the cache?
e. Why is the lag also stored in the cache?
Transcribed Image Text:4.8 Consider a machine with a byte addressable main memory of 2 bytes and block size of 8 bytes. Assume that a dircct mapped cache consisting of 32 lines is used with this machine. a. How is a 16-bit memory address divided into tag, line number, and byte number? b. Into what line would bytes with each of the following addresses be stored? 0001 0001 0001 1011 1100 0011 0011 0100 1101 0000 0001 1101 1010 1010 1010 1010 c. Suppose the byte with address 0001 10100X01 1010 is stored in the cache. What are the addresses of the other bytles stored along with it? d. How many total bytes of memory can be stored in the cache? e. Why is the lag also stored in the cache?
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