Supplement:
USB disk, short for U disk, also known as flash drive, is the harmonization of U disk. It belongs to the mobile storage device, used to back up data, easy to carry. usb disk is a kind of flash memory, so it is also called flash disk. Characterized by compactness and portability, large storage capacity, and inexpensive.
The general capacity of the U disk has 1G, 2G, 4G, 8G, 16G, 32G, etc., the price of the most common 2G, for example, about 65 yuan can buy. The current U disk capacity has been greatly improved, such as: 4G, 16G U disk. It is easy to carry, we can hang it on the chest, hang it on the key chain, or even put it into the wallet. Raging Frog network planning agency that the U disk is actually a mobile hard disk, but science and technology is always for the convenience of mankind, the designer will be a huge hard disk shrunk to a small piece, more conducive to human carrying and application, in this regard, science and technology to facilitate human life is not bad at all. Nowadays, U disk can also replace the CD-ROM drive to become a new tool for system installation, the domestic Internet, the installation bar U disk system tool is a better rising star in this field.