Inside USB Drive

How does pen drive works?

                                                               

What is it?

USB flash drive can be termed as the external storage device that operates with the power supplied by the computer in which its plugged in. It can store data in a very convenient way and is widely used.It can be erased and reprogrammed as per user specifications.It can store data such as audio, video, images, documents, files,etc.

Components of USB

1. USB connector: It links the computer with the flash drive where the data are stored.In fact through this the data are transferred from and to the computer.
2.NAND flash memory: It is the place where files and all data are actually stored.
3. Controller chip: It is a link between computer and NAND chip. it is responsible in controlling the way of storing data in NAND chip.
3. Test points: It identifies defects on the board.
4. Crystal oscillator: It is a piece of quartz crystal for controlling the flow of information within USB drive.
5.LED : It is used for indicating the functioning of the drive.
6.Write Protect Switch: It controls the permission for making change in the information inside the drive.

Beside all, an extra space is left is left so that another memory can be chipped to increase the memory capacity.