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 - (computer science) matter that is held in a computer and is typed or printed on paper; he ran off a hard copy of the report. 1  computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures.