CM is a 19 year-old pre-med Harvard College male who. presented to UHS complaining of sore throat when. drinking liquids and pleuritic chest pain in the superior. chest radiating to the neck. Symptoms began upon. awakening this morning and patient reports having several. bouts of intense emesis of unknown cause (likely viral.
USB flash drive. JumpDrive redirects here. For the fictional propulsion system, see Jump drive. A USB flash drive, also variously known as a USB drive, USB stick, thumb drive, pen drive, flash-disk, or USB memory, is a data storage device that includes flash memory with an integrated USB interface. USB flash drives are typically removable and rewritable, and physically much smaller than an optical disc.
Some allow up to 100,000 write/erase cycles, depending on the exact type of memory chip used, and have a 10-year shelf storage time. USB flash drives are often used for the same purposes for which floppy disks or CDs were once used, i.e., for storage, data back-up and transfer of computer files.