The biggest advantages of U disk are: small and portable, large storage capacity, low price and reliable performance. The USB flash drive is small, only the size of a thumb.
Very light weight, generally around 15g, especially suitable for carrying around. We can hang it on our chests, on key chains, or even in our wallets.
flash disc
Although small, it has a relatively large storage capacity. Early flash drives had a small capacity and could only store files of 16-32M. Even so, it is equivalent to 10-20 times the capacity of the floppy disk of the erasable mobile storage medium at that time. With the development of science and technology, the capacity of U disk also grows rapidly according to Moore's law.
By 20 12, the 4G USB flash drive is on the verge of elimination, and the capacity of mainstream USB flash drive has developed to 8- 16G, which is equivalent to the capacity of 2-4 DVD discs. The maximum capacity has reached 1T, which is equivalent to the capacity of more than 240 DVD discs. A kind of mass storage device using USB as flash drive.
This means that most modern operating systems can read and write flash drives without installing additional drivers. Flash disk is displayed as a block-like logical unit in the operating system, which hides the complex details needed by internal flash memory. The operating system can use any file system or block addressing. You can also make a boot USB flash drive to start the computer.