Which one of the following memories is used to store data permanently

Which one of the following memories is used to store data permanently ?

Primary Memory

Secondary Memory

Cache Memory

Random Access Memory

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UPSC CISF-AC-EXE – 2021

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Secondary memory is used to store data permanently. Unlike primary memory (like RAM), which is volatile and loses data when the power is off, secondary memory is non-volatile and retains data for long periods.

– Primary memory (RAM, Cache) is primarily for active processing and temporary storage.
– Secondary memory provides persistent storage for operating systems, applications, and user data.

Examples of secondary memory include Hard Disk Drives (HDD), Solid State Drives (SSD), optical drives (CDs, DVDs), and flash memory devices (USB drives, SD cards).

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