Apus — Premium & Popular

: Provides the necessary pneumatic or electrical force to start the main jet engines.

An APU is a small, independent engine (usually a gas turbine) that provides energy to a vehicle while the main engines are off. : Provides the necessary pneumatic or electrical force

: It generates power for lights, cockpit avionics, and cabin systems when the aircraft is on the ground. : Provides the necessary pneumatic or electrical force

: Supports standard programming interfaces like OpenCL , OpenGL , and DirectX . : Provides the necessary pneumatic or electrical force

: Supplies "bleed air" for cabin air conditioning and pressurization during ground operations.

Coined by , an APU combines a Central Processing Unit (CPU) and a Graphics Processing Unit (GPU) onto a single chip.