The cost of employee healthcare benefits continues to rise around the world, according to the Towers Watson survey of 237 leading medical insurers in 48 countries.
A thumb drive, also called a flash drive or jump drive, is a portable solid-state data storage device. It is re-writeable and preserves information without a power supply. Thumb drives will fit into any USB port on a computer.
The most popular is a parallel ATA interface. A Optical drive is hardware that read and drive a DVD disk or programs. An optical drive is a drive that reads media in your computer. This  includes a disk drive, a CD , DVD, or Blu-Ray drive.   A device for reading discs on which data is stored.