[hyperpallium2]

Pedantry: the only exception I could think of is a timer (delay, alarm clock), where the output is when, not what. sleep 10

Yes, information technology is for processing information.

Any transformation can be decomposed into lossy and lossless components (aka bijectve and non-bijective; reversible and non-reversible). The nice thing is that the lossless component can be automatically checked for that property.