noun
a data storage device that is not the main memory of a computer
• Syn: ↑auxiliary storage, ↑secondary storage
• Hypernyms: ↑memory device, ↑storage device
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Computers.
See secondary storage.
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external store or external storage noun (computing)
Any portable storage medium, eg magnetic disks
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Main Entry: ↑external
Useful english dictionary. 2012.