内ない部ぶ記き憶おく装そう置ち

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Meanings

1

noun

internal storage device

computing

Computing term for a storage device installed inside a computer, such as an internal hard drive or SSD.

外がい部ぶ記き憶おく装そう置ち
外部記憶装置 refers to external storage devices (e.g., USB drives, external HDDs), while 内部記憶装置 is internal.
ストレージ
ストレージ is a more general loanword for 'storage', often used in consumer contexts, whereas 内部記憶装置 is a precise technical term.

Compound of 内部 (internal) + 記憶 (storage/memory) + 装置 (device). A straightforward technical term.