A memory system consists of a cache with a hit time of 5 nsec, if the miss penalty is 100 nsec and the Average Memory Access Time (AMAT) is 10nsec, what is the cache hit rate? DO NOT INCLUDE THE PERCENTAGE SIGN (%) Answer. 1.68 The correct answer is: 95

A memory system consists of a cache with a hit time of 5 nsec, if the miss penalty is 100 nsec and the Average Memory Access Time (AMAT) is 10nsec, what is the cache hit rate? DO NOT INCLUDE THE PERCENTAGE SIGN (%) Answer. 1.68 The correct answer is: 95

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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Concept explainers

Fundamentals of Input and Output Performance

The I/O subsystem is a component of computer system design that uses buses to assist communication between the Central Processing Unit, Computer Memory/Storage, and Input and Output Devices (that is known as peripheral devices). The I/O subsystem includes disc controllers, tape drives, discs, system buses, and other devices. The I/O database application reads and writes drives using the operating system windows I/O.

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A memory system consists of a cache with a hit time of 5 nsec, if the miss penalty is 100 nsec and the Average Memory
Access Time (AMAT) is 10nsec, what is the cache hit rate? DO NOT INCLUDE THE PERCENTAGE SIGN (%)
Answer
1.68
The correct answer is: 95

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