A storage device that uses magnetic disks to record and retain data, commonly abbreviated as HDD. It is non-volatile, meaning data persists without power, and supports random access, making it suitable for storing operating systems, applications, and user files long-term. In recent years, HDDs have increasingly been replaced by faster solid-state drives (SSDs).

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• 2012h24h #63PC の補助記憶装置であるハードディスク装置の説明として，適切なものはどれか。