Introduction to USB flash drive

USB flash drive is a small device used to store information, commonly known as U disk. Among them, USB is the abbreviation of universal serial bus in English, and its Chinese abbreviation is "through serial line", which is an external bus standard used to regulate the connection and communication between computers and external devices. The USB flash drive is inserted into the USB port of the computer, and then the information can be copied back and forth, making the sharing and transmission of information easy. USB flash drive has become the mainstream product in the mobile storage market. Compared with the traditional mobile storage product - floppy disk, it is large in capacity, small in size and light in weight. It is only as big as a lighter and has a capacity of several gigabytes. USB flash drives use chip storage, and a few have write protection functions, which can prevent viruses and erasures.