A computer flash drive is a small, portable flash memory card that plugs into a computer’s USB port and functions as a portable hard drive. Computer flash drives are touted as being easy-to-use as they are small enough to be carried in a pocket and can plug into any computer with a USB drive.
Any device capable of storing data is known as a Storage Device. The term usually refers to mass storage devices, such as disks, tapes, etc. Technically, storage devices can be defined as any piece of hardware whose main function is to store data and information.