(1) A physical gauge that measures and/or controls motion, distance, temperature, weight or some other physical property that is simulated in the computer via software.
(2) A musical instrument played on a computer. For years, computers have been used to simulate pianos and other musical instruments, allowing people to get a taste of the instrument without having the physical device. See
synthesizer.
Play Piano Online
These Flash-based virtual pianos are played online by clicking the piano keys with a mouse. See
Flash.