 A USB drive is known as a flash drive. It is a plug-and-play transportable storages device that comes with flash memory and having very light weight. It can be used in place of bulky and other heavy transportable storage devices like floppy disk, Zip drive disk, or CD. It is recognized as a removable drive when the user plugs the device into the USB port .
A USB drive does not need to reboot after it is attached and does not need any kind batteries or any other source of power supply. Many employers suggest supplementary facilities like password protection, and downloadable drivers that permit the device to be well-matched with lower version systems that do not have USB ports. USB drives are available in memory ranging up to about 65 gigabytes (GB), depending on employers and having compatible range of prices.
Using USB data can be keep for long time and due to portability property we can move data from one place to other easily. This makes the USB drive suitable for transferring data among a desktop computer and a notebook computer, or for individual backup needs
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