USB Memory

• USB memory is a kind of flash memory used for storing data, and is integrated with 2.0 USB interface.
• It is removable and rewritable device and is physically than a floppy disk.
• It weighs less than 20 gm.
• It can be written certain number of times.Some manufacturers allows it to be rewritten/erased 1 millon times.

Thumb USB drives

• Flash drives contains small printed circuit board carrying circuitary and a USB connector.
• Thumb drives can be easily connected to a USB port of your computer.
• They have a feature called "hot swap" which means there is no need to restart computer for accessing thumb drive, once you have plug it in a computer.
• Flash memory works on the principle of flashing.The contents are first written to memory, after that memory flashes.It means a special signal is sent to a memory telling it "remember the contents".

USB Flash drives

• USB drives provide for faster data transfer and are available in various higher capacities.Capacities are 1 GB, 2 GB, 4 GB, 12 GB, 16 GB, 32 GB, 64 GB.Latest available capacity is 256 GB.
• Reading on a flash USB drive is quite easy while this is not same with writing.It can data store upto 10 years before changing it..
• These drives are pron to security threats.Viruses, trojan horse can easily effect the data inside it.
• To avoid this don't ever connect your USB drive to any computer of a internet cafe.Always keep it for your home use.

Flash Thumb drives

• Flash drives are stable, durable and handy devices used for long time storage of files, applications, pictures and videos.
• They can easily be purchased at an affordable rate of US $20 - $250.
• These drives derive their power capacity from the USB connection with no requirement of a battery.
• Most popular thumb drives manufacturers are Kingston, LG and Swivel.