Describe the concept of memory coherency in multiprocessor systems. How are cache coherence protocols like MESI used to maintain data consistency?

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
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Describe the concept of memory coherency in multiprocessor systems. How are cache coherence protocols like MESI used to maintain data consistency?

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Step 1: Define memory.

The physical element that stores data, information, instructions, and programs for use by a computer or digital device is referred to as memory in the context of computers and electronics. Memory is essential to the device's ability to swiftly store and retrieve data for a variety of functions and processes. It is essential to the operation of embedded systems as well as computers.

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