Biofeedback is a tool that helps individuals visualize how their biological systems work. For example, software can show individuals what their heart is doing and how basic changes in their breathing can influence their heart beat and overall health.
Soft copy means a data or information which can be stored in any kind of digital memory. It is an intangible form of preserving the material. You can see the record but cannot touch it. Monitors or others display screens are used to see the soft copy results.
Hard drive. Hard disk drive with case removed to show the platters and the read-write head. Disruptions to the hard drive's functioning can cause a computer to crash. Thumb drives are small external drives that can expand the storage space of a computer. An external hard drive.