Secondary storage devices are computer storage locations for data not currently being accessed. They provide readily accessible file retrieval and security against data loss.
A USB drive, also known as a flash drive, jump drive, memory stick, or thumb drive, is a portable, plug-and-play, small storage device that can be attached to a keychain, which can be recognized immediately as an external drive when plugged into any USB port. Available in capacities up to 8 GB and higher.
