Audio Processing Unit. Integrated into the first- and second-generation nForce media and communications processors (MCP), the APU delivers unprecedented 3D positional audio to the PC platform. »more information
Asylum Policy Unit (in AAPD)
Auxilliary Power Unit - the generator that supplies none flight power to the vehicles systems.
Assessment of Performance Level.
This will provide secondary power for the shuttle's various systems.
An Accredited Purchasing Unit is the body in each Department which has been given authority from the Victorian Government Purchasing Board to approve all purchasing processes which fall within its accreditation limit eg purchases up to a value of $1 million.
Auxilary power unit, used to power lights, air con etc and to help start the jet turbines on Boeings etc