What is secondary storage? Why is it needed?

Question

10 Mar 2023

Answer :

Word Count : 433

Secondary storage, also known as external storage, refers to the storage devices or media that are used to store data and programs outside of the computer's main memory or RAM. Secondary storage is needed because the primary storage, which includes the computer's memory and cache, is volatile, meaning that it loses its contents when the power is turned off. In contrast, secondary storage is non-volatile, meaning that it retains its contents even when the power is turned off, making it an essential component for storing and retrieving data and programs.

There are several types of secondary storage devices, including hard disk drives (HDDs), solid-state drives (SSDs), USB flash _________ __________ ________ ___ ____ ____ ______.
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