What is a USB flash drive?

U disk is USB (universal serial bus) disk short, according to the harmonic also known as the "U disk". U disk is a kind of flash memory, so sometimes also called flash disk. U disk and hard disk is the biggest difference is that it does not need a physical drive, that is, plug-and-play, and its storage capacity is far more than the floppy disk, very easy to carry.

U disk set of disk storage technology, flash memory technology and universal serial bus technology in one. USB port connected to the computer, is the data input/output channel; the master chip so that the computer will be recognized as a removable disk U disk, is the U disk's "brain"; U disk Flash (flash) chip to save the data, unlike the computer's memory, even if the memory is broken, the U disk will not be able to save the data. Flash (flash memory) chip saves data, different from the computer's memory, even after a power failure, the data will not be lost; PCB chassis will be connected to the various components together, and provide a platform for data processing