Answered: How do data compression algorithms like…

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

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How do data compression algorithms like gzip and bzip2 work, and when should each be used?

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Step 1: Introduction

Data compression algorithms aim to reduce the size of data for more efficient storage or transmission. This becomes crucial in settings where storage space is limited, or where data has to be sent over a network with bandwidth constraints. Two widely-used data compression algorithms are gzip (GNU zip) and bzip2. Both algorithms employ techniques to shrink data sizes but do so using different mechanisms, resulting in varying levels of compression and speed. The upcoming sections will delve into how each algorithm works, followed by a comparative analysis to help identify when each should be employed.

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