Secondary Storage
Secondary storage refers to non-volatile storage devices that are used to store data for long-term or permanent use. This type of storage is typically slower than primary storage, such as RAM, but has a much larger capacity. Examples of secondary storage devices include hard disk drives, solid-state drives, optical disks, and magnetic tapes. Secondary storage is important in data science because it allows for the storage of large amounts of data that may not fit in primary storage. Additionally, secondary storage is often used for data backup and recovery purposes, which is crucial in ensuring the integrity and availability of data.
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