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USB Flash Drives are compact, portable data storage devices that use flash memory technology to store and transfer digital information. They are small enough to fit on a keychain and offer a convenient way to transport files between computers without the need for cables or network connections. As part of the Electronics/Computers/Computer Accessories/Data Storage Devices hierarchy, USB Flash Drives fall under the broader category of Data Storage Devices, which also includes external hard drives and solid-state drives. These devices are used to supplement a computer's internal storage capabilities, providing additional space for storing files, photos, videos, and other digital media. USB Flash Drives are particularly useful for their portability and ease of use. They can be plugged into any computer with a USB port, allowing users to quickly transfer files or access stored data. Additionally, many USB Flash Drives come with built-in security features such as password protection and hardware encryption, providing an extra layer of protection for sensitive information. Overall, USB Flash Drives are an essential component of the Data Storage Devices category, offering a convenient and secure way to store and transport digital information on the go.