In terms of a cache, what is the purpose of tag bits? Group of answer choices To allow multi-level memory hierarchies to be created To tell the processor which data it is reading from the cache To specify which data from the lower level is in the cache To allow slower memories to be used in the lower levels

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
Chapter1: Introduction
Section: Chapter Questions
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In terms of a cache, what is the purpose of tag bits?

Group of answer choices
To allow multi-level memory hierarchies to be created
To tell the processor which data it is reading from the cache
To specify which data from the lower level is in the cache
To allow slower memories to be used in the lower levels
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