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The central processing unit (CPU) may ask for a cache hit while moving information from the write buffer to main memory.

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

Storage Devices

Storage devices can store digital information/data and applications (in the form of audio, video, image, etc.) to process the result of any computational work. They are a kind of computer hardware that stores information and instruction to be processed. A storage unit is a part of a computer system. Every computer has a storage device. The storage devices work as a memory. They are also known as a storage medium, digital storage, or storage media, which temporarily or permanently store information. They are used either internally or externally in the computer system, server, or any computation device to hold the information. Examples include a pen drive, CD, DVD, floppy disk, memory card and so forth.

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The central processing unit (CPU) may ask for a cache hit while moving information from the write buffer to main memory.

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During the process of transferring data from the write buffer to the main memory, the CPU may request a cache hit.
hardware memory management unit (MMU) translates each virtual address into a physical address in main memory. When virtual addresses are used, the system designer may choose to place the cache between the processor and the MMU or between the MMU and main .central processing unit True O False O
Cache requests are sent from the CPU to the system RAM. whenever a block in main memory has to be updated.
Cache requests are sent from the central processor unit to the RAM in the system. whenever a block in the main memory write buffer has to be updated.
Cache memory is needed since RAM (Random Access Memory), which is a volatile memory, does not have it. Do computers operate on a single kind of memory?
If the data is too large to fit in the cache, a write buffer will transport it back to the CPU from main memory. Our future steps, please.
The processor requests the cache when writing a block from the write buffer to main memory.
The processor requests the cache from main memory while rewriting a block from the write buffer.
When the size of a request exceeds the cache's capacity, the central processing unit transfers the data to main memory and the write buffer returns the data. What are the next measures to be taken?