Explain the concept of data hazards in pipelining. How can data hazards be resolved or mitigated in a pipelined processor?

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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Explain the concept of data hazards in pipelining. How can data hazards be resolved or mitigated in a pipelined processor?

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Step 1: Understanding Data Hazards

Data hazards occur when an instruction depends on the result of a previous instruction and that result has not yet been computed. This can happen when two different instructions use the same storage. There are four types of data dependencies: Read after Write (RAW), Write after Read (WAR), Write after Write (WAW), and Read after Read (RAR).

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