Top 20 Most Popular USB Hard Drives on Amazon.com

Definition: USB flash drives are compact file storage devices to save your information externally. Flash drives are about the size of a disposable lighter and can be conveniently worn around your neck or attached to your keychain.

The end of the flash drive is inserted into the USB port on the computer. Once attached to the computer, they operate in much the same way as floppy drives, but have capacities currently in the range of up to 2 gigabytes.

Also Known As: USB memory stick, jump drive

From: http://presentationsoft.about.com/od/uvw/g/usb_flash.htm

A small, portable flash memory card that plugs into a computer’ USB port and functions as a portable hard drive. USB 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. USB flash drives have less storage capacity than an external hard drive, but they are smaller and more durable because they do not contain any internal moving parts.

USB flash drives also are called thumb drives, jump drives, pen drives, key drives, tokens, or simply USB drives.

From: http://www.webopedia.com/TERM/U/USB_flash_drive.html

A USB flash drive consists of flash memory data storage device integrated with a USB (Universal Serial Bus) 1.1 or 2.0 interface. USB flash drives are typically removable and rewritable, much smaller than a floppy disk, and most weigh less than 30 g (1 oz). Storage capacities in 2010 can be as large as 256 GB with steady improvements in size and price per capacity. Some allow 1 million write or erase cycles and have a 10-year data retention cycle.

From: http://en.wikipedia.org/wiki/USB_flash_drive

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