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 copy (printout) A hard copy (or hardcopy) is a printed copy of information from a computer. Sometimes referred to as a printout , a hard copy is so-called because it exists as a physical object. The same information, viewed on a computer display or sent as an e-mail attachment, is sometimes referred to as a soft copy .