What is a Jumpdrive?
Jumpdrive is an old term for USB flash drives. More specifically, it's a registered trademark by Lexar (now Longsys).

Storage specialist Lexar has recalled a number of its JumpDrive USB Flash disks, some of which have been found to overheat and potentially burst into flames. The name of the product: FireFly…
https://www.theregister.com/2006/07/07/lexar_usb_drive_recall/ (accessed 2025-01-15)
Mark: JUMPDRIVE
Owner Name: LONGSYS ELECTRONICS
https://tsdr.uspto.gov/#caseNumber=78163153&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch (accessed 2025-01-15)
In August 2017, Lexar was acquired by Longsys
https://www.longsys.com/brand/lexar/ (accessed 2025-01-15)