The USB flash drive has advantages of compact design, relatively large storage capacity, low price, strong seismic performance, strong moisture and magnetic resistance, and reliable performance. The NOR type is suitable to serve as computer system memory and the NAND type is the core memory of all USB flash drives and the memory card of various digital devices.įurthermore, flash memory has the advantages of small size, low power consumption, and strong physical damage resistance.
It is mainly divided into NAND type and NOR type. In addition, USB standard also defines the data transfer rate.įlash Memory: It is a semiconductor memory chip that won't lose information when powered off.
Universal Serial Bus: It is a serial bus standard that aims to guide the manufacturer to produce interfaces connecting computer systems to external devices. It is a small portable storage device which usually connects to a computer through USB (Universal Serial Bus) interface and stores data through flash memory.