What is a USB flash memory stick (sometimes called flash drive, thumb drive or pen drives)?
A USB memory stick, or flash drive, is a compact mobile storage item containing a flash memory chip inside that acts like a portable hard drive. It let you store and transport your precious computer data – working files, company/product/service information and promotional materials. Memory sticks or flash drives hold incredibly large amounts of information and are small enough — about the size of a pack of gum — to slip easily into your pocket, conveniently around your neck like a necklace, or on your keychain. The usually come in memory storage capacities ranging from 64MB-4GB.