U disk, called U disk, is called "USB flash drive" in English. It is a miniature high-capacity mobile storage product, which uses USB interface and does not need physical drive. Connect with computer through USB interface to realize plug-and-play function. ?
The flash drive usually adopts ABS plastic or metal shell, and contains a small printed circuit board inside, which makes the flash drive small enough to be put in a pocket like a key chain ornament or strung on a neck rope.
Only the USB connector protrudes from the protective case, usually covered by a small cover. Most flash drives use a standard type A USB connector, which allows them to plug directly into the USB port of a personal computer.
To access the data of the flash drive, the flash drive must be connected to the computer; Whether it is a built-in USB controller directly connected to the computer or a USB hub.
Only when the USB port is plugged in, the U disk will start, and the required power supply is provided by the USB connection. However, some flash drives (especially high-speed flash drives using the USB 2.0 standard) may need more power, so if you connect to a USB hub built in the keyboard or screen.