(25p)Consider a computer with the following characteristics • total of 1Mbyte of main memory • word size of 1 byte block size of 64 bytes cache size of 128 Kbytes. a) How many bits should be reserved for tag, line, and word offsets for a direct-mapped cache. b) How many bits should be reserved for tag and word offset for a fully-associative cache.

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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1. (25p)Consider a computer with the following characteristics
• total of 1Mbyte of main memory
• word size of 1 byte
• block size of 64 bytes
• cache size of 128 Kbytes.
a) How many bits should be reserved for tag, line, and word offsets for a direct-mapped cache.
b) How many bits should be reserved for tag and word offset for a fully-associative cache.
c) How many bits should be reserved for tag, cache set, and word offset for a 8-way set-associative cache.
Transcribed Image Text:1. (25p)Consider a computer with the following characteristics • total of 1Mbyte of main memory • word size of 1 byte • block size of 64 bytes • cache size of 128 Kbytes. a) How many bits should be reserved for tag, line, and word offsets for a direct-mapped cache. b) How many bits should be reserved for tag and word offset for a fully-associative cache. c) How many bits should be reserved for tag, cache set, and word offset for a 8-way set-associative cache.
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