U disk and usb are the same thing?

1, U disk is used to store data, and usb is an interface to connect storage disks such as U disk.

2.u disk, full name USBflashdisk, English name "USB flash disk". It is also the abbreviation of USB(universalserialbus) disk, which is also called "USB flash drive" according to the homonym. U disk is a kind of flash memory, so it is sometimes called flash disk. U disk integrates disk storage technology, flash memory technology and universal serial bus technology. Even after power failure, data will not be lost. It is a miniature large-capacity mobile storage product with USB interface and no physical drive. It is plug-and-play and very portable.

3.USB is English: UniversalSerialBus (abbreviation), which is a serial bus standard and a technical specification for input and output interfaces. Widely used in personal computers, mobile devices and other information and communication products, and extended to photographic equipment, digital television (set-top box), game consoles and other related fields.