Q8 Consider a processor which generates 32-bitaddress. A system uses write back policy in 256KB direct mapped cache. It consists of multipleblocks with each block size as 32 bytes. Thecache controller maintains the tag informationfor each cache block comprising of 1 modifiedbit, 1 replacement bit and 1 valid bit. The totalsize of memory needed at the cache controllerto store meta-data for the cache isKB?

Answered: Image /qna-images/answer/a2a04971-3bd9-4c18-b604-344cf8c69ec4.jpg

Answered: ack policy sists of mu $2 bytes. T ag…

Engineering

Computer Science

ack policy sists of mu $2 bytes. T ag informa 1 of 1 mnor

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

Consider a processor which generates 32-bit
address. A system uses write back policy in 256
KB direct mapped cache. It consists of multiple
blocks with each block size as 32 bytes. The
cache controller maintains the tag information
for each cache block comprising of 1 modified
bit, 1 replacement bit and 1 valid bit. The total
size of memory needed at the cache controller
to store meta-data for the cache is
KB?

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