二に次じ記き憶おく装そう置ち

Meanings

1

noun

secondary storage; secondary memory

computing

Computing term for non-volatile storage such as hard disks and SSDs, as opposed to main memory (RAM).

recollection, think, remember

装attire, dress, pretend

置placement, put, set

主しゅ記き憶おく装そう置ち
主記憶装置 is main memory (primary storage), typically volatile RAM, while 二次記憶装置 is secondary storage, non-volatile and larger capacity.

Compound of 二次 (secondary) + 記憶 (storage/memory) + 装置 (device). A straightforward technical term.