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What is a computer

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 Secondary memory, also known as secondary storage or auxiliary memory, refers to storage devices that are used to store data and programs permanently or for the long term. Unlike primary memory (RAM), which is temporary and volatile, secondary memory is non-volatile, meaning it retains data even when the power is turned off.  Examples of secondary memory include: - **Hard Disk Drives (HDDs)** - **Solid State Drives (SSDs)** - **Optical Discs** (like CDs and DVDs) - **Flash Drives** - **Magnetic Tapes** Secondary memory is typically used to store large amounts of data, applications, and the operati ng system.
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