Answered: For each action, match it with when it…

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

For each action, match it with when it occurs. For this problem assume the cache is a K-way set associative cache using a Least Recently Used replacement policy. Group of answer choices:

Valid Bit Is set to 0 when [ Choose ]

Valid bit is set to 1 when [ Choose ]

Dirty Bit is set to 0 when [ Choose ]

Dirty Bit is set to 1 when [ Choose ]

A block is evicted from the cache when [ Choose ]

Tag bits are written to when [ Choose ]

The LRU counters of a set are updated when

Multiple Choices:

1. the CPU writes to this block in the cache.

2. Th computer is turned on.

3. the cache is full.

4. The cache read a block from memory.

5. a block that maps to that set is read or written to.

6. The block is not in the set the block maps to and the set is full

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