Design a 256KB direct-mapped data cache that uses a 32-bit address/data and 8 words per block. Calculate the following: (a) How many bits are used for the byte offset? (b) How many bits are used for the block offset? (c) How many bits are used for the set (index) field? (d) How many bits are used for the tag?

Design a 256KB direct-mapped data cache that uses a 32-bit address/data and 8 words per block. Calculate the following: (a) How many bits are used for the byte offset? (b) How many bits are used for the block offset? (c) How many bits are used for the set (index) field? (d) How many bits are used for the tag?

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

Problem 1PE

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Question

Design a 256KB direct-mapped data cache that uses a 32-bit address/data and 8 words per block.
Calculate the following:
(a) How many bits are used for the byte offset?
(b) How many bits are used for the block offset?
(c) How many bits are used for the set (index) field?
(d) How many bits are used for the tag?

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