The first models require a battery, but current use electricity from the USB port. These memories are resistant to scratches (external), dust, and some even water, factors affecting previous forms of portable storage, such as floppy disks, CDs and DVDs.
Its success and dissemination have led them several popular names related to its small size and the various forms of presentation, none has been able to stand out from all of them. The USB itself adjective or context can easily identify the computing device to which it relates; although being a little strict on the concept refers only USB port connection.
These reports have become the storage system and personnel data transport most used in this application displacing traditional diskettes and CD. You can easily find on the market memories 1, 2, 4, 8, 16, 32, 64, 128, 256, 512 GB, and up to 1 TB.2 memories with higher capacities may still be, for its price, outside the range of "domestic consumer." This means at least equivalent to 180 CDs or 700 MB diskette approximately 91 000 1440 KiB.
